The tails, which face the interior of the cell membrane, are "hydrophobic," whereas the heads, which make up the outer and inner linings, are "hydrophilic" (water loving). Water is drawn to the membrane's exterior (red) and interior (yellow), but cannot pass through the non-polar layer.
The cell's membranes are only partially permeable. The majority of objects are effectively kept in (or out), however some can get through straight, according to this. How do cells then transfer stuff into and out of them? Three approaches exist.
hydrophilic
1. Diffusion: If a molecule, like oxygen or carbon dioxide, is very small, diffusion will work. O2 molecules diffuse into the cell when there is a larger quantity of oxygen outside the cell than inside, and they pass right past the membrane without being noticed. The waste gas CO2 similarly naturally exits to the outside, where the concentration is lower, when it builds up inside the cell. The cell doesn't have to expend any energy during diffusion. The action is passive. While nature long ago discovered this
Learn more about hydrophilic here:
https://brainly.com/question/16132847
#SPJ4
which of the following statements describes a major difference between mitosis and meiosis i in a diploid organism?
While homologous pairs of chromosomes separate during meiosis I, sister chromatids do so during mitosis. A haploid cell goes through meiosis II, whereas diploid cells go through mitosis.
Describe meiosis and mitosis.The cell division process known as meiosis is what produces egg and sperm cells. A vital process for life is mitosis. A cell divides into two identical daughter cells after duplicating all of its components, including its chromosomes.
What function does mitosis serve?In order to maintain the number of chromosomes in the parent cell, somatic cells undergo a form of cell division called mitosis. Therefore, this kind of cell division is crucial for tissue growth and repair.
Learn more about chromosome here:
https://brainly.com/question/1596925
#SPJ4
The protein released during the acute phase of infection or inflammation that enhances immunity by promoting phagocytosis and activating platelets is ________ .
C-reactive protein is a protein secreted during the acute stage of infection or inflammation that improves immunity by encouraging phagocytosis and activating platelets.
An annular pentameric protein called C-reactive protein, whose levels rise in response to inflammation is found in plasma. It is a hepatic-derived acute-phase protein that increases when macrophages and T cells release interleukin-6.
In response to physiological inflammation, the liver creates a molecule known as C-reactive protein (CRP), which is subsequently released into the bloodstream. High blood levels of CRP are an independent risk factor for heart attack and stroke, especially in women.
A high test result for CRP implies an immediate inflammatory condition. It could result from a serious accident, an ongoing disease, or an infection.
To learn more about protein, refer:-
https://brainly.com/question/29776206
#SPJ4
A conservation biologist has been asked to explain why it is important to protect biodiversity. She would list all of the following reasons except for which one? O Biodiversity can be exploited indefinitely for the profit of humans. Other species have inherent value and humans have a moral obligation to protect them. Humans are dependent on many species for food, medicines, fiber, and other necessities. O Biodiverse ecosystems provide ecosystem services that sustain all life on Earth. A conservation biologist has been asked to explain why it is important to protect biodiversity. She would list all of the following reasons except for which one? O Biodiversity can be exploited indefinitely for the profit of humans. Other species have inherent value and humans have a moral obligation to protect them. Humans are dependent on many species for food, medicines, fiber, and other necessities. O Biodiverse ecosystems provide ecosystem services that sustain all life on Earth.
Biodiversity can be used endlessly for human profit. Biodiversity may be used indefinitely to human profit.
Who or what studies biology?Biology is a branch of natural science that examines living things. Due to the enormous variety of life on Earth, it is a highly broad discipline, hence individual biologists typically concentrate on particular topics. Either the spectrum of life or the sorts of species investigated are used to classify these areas.
Briefing:Numerous economic justifications have been put up in support of the appraisal of biodiversity's advantages. The majority of economists are anthropocentric, but others have questioned whether biodiversity has intrinsic value apart from what it can do for humans.
Because no one species can completely exploit every available niche, diversified ecosystems are often more productive than those that are not. A sufficient level of bio productivity must be maintained because the Earth's ecosystems are primarily responsible for human economic output.
To know more about Biologists visit:
https://brainly.com/question/28447833
#SPJ4
The complete question is-
A conservation biologist has been asked to explain why it is important to protect biodiversity. She would list all of the following reasons except for which one?
(a). Biodiversity can be exploited indefinitely for the profit of humans.
(b). Other species have inherent value and humans have a moral obligation to protect them.
(c). Humans are dependent on many species for food, medicines, fiber, and other necessities.
(d). Biodiverse ecosystems provide ecosystem services that sustain all life on Earth.
A conservation biologist has been asked to explain why it is important to protect biodiversity. She would list all of the following reasons except for which one?
(a). Biodiversity can be exploited indefinitely for the profit of humans.
(b). Other species have inherent value and humans have a moral obligation to protect them.
(c). Humans are dependent on many species for food, medicines, fiber, and other necessities.
(d). Biodiverse ecosystems provide ecosystem services that sustain all life on Earth.
What type of reproduction that involves two organisms of the same species?; What type of reproduction causes diversity in a species to occur?; Why does sexual reproduction results in offspring with more genetic variation than asexual reproduction?; Why does sexual reproduction result in more genetic variation in a species?
Two parents participate in sexual reproduction, which results in children with distinct genetic makeup. Two haploid gametes combine during the process of fertilization to create a diploid zygote during sexual reproduction.
A cell with a single set of chromosomes is called haploid. The number of chromosomes in sperm or egg cells, often known as gametes, is also referred to as haploid. In humans, gametes are haploid cells with 23 chromosomes—one of each chromosomal pair found in diplod cells—and are hence haploid. The haploid number, commonly known as n, is used to indicate the number of chromosomes in a single pair. n = 23 for people.
Half of the chromosomes found in somatic cells, or the body's typical diploid cells, are found in gametes. Meiosis, a type of cell division that cuts the number of chromosomes in a parent diploid cell in half, produces haploid gametes.
Learn more about haploid gametes here:
https://brainly.com/question/14057053
#SPJ4
which of the following best describes how the structure of ice benefits the organisms that live in the water below? responses
The structure of ice benefits the organisms that live in the water below is freezing air temperature. The water molecules in ice are closer together than those in liquid water, so the ice forms a barrier that protects the organisms in the water from freezing air temperatures.
The structure of ice benefits the organisms that live in the water below in a variety of ways.
Step 1: Ice acts as a physical barrier, providing protection from predators and keeping the organisms safe.
Step 2: Ice also provides insulation, allowing the water temperature to remain relatively constant, which can be beneficial for the organisms that live in the water.
Step 3: Ice also helps to maintain water quality by filtering out pollutants, thus helping to keep the water clean and safe for the organisms.
Step 4: Finally, ice can also provide food for the organisms in the form of algae and other small organisms that can grow on the underside of the ice. These organisms can then provide a source of nutrition for the animals living in the water below.
To know more about nutrition:
brainly.com/question/2044102
#SPJ4
Which sediment would have the slowest rate of deposition?
a round sediment
O a very large sediment
an irregularly shaped sediment
O a high-density sediment
The sediment that would have the slowest rate of deposition is an irregularly shaped sediment. So the correct option is C.
What is sediment?Sediments are materials accumulated on the earth's surface resulting from phenomena in the atmosphere, biosphere and hydrosphere. Sediments are not always in motion, they can remain stable for a long time until they generate rocks.
Sediments can have different deposition rates depending on the shape and composition of the sediment. When the sediments no longer overcome the forces of weight and friction, deposition is generated.
Therefore, we can confirm that the correct option is C. an irregularly shaped sediment.
To learn more about sediment visit: https://brainly.com/question/14306913
#SPJ1
Answer: c. an irregularly shaped sediment
Explanation:
drag each fossil fuel to indicate which human activity it directly impacts. answers may be used more than once.
With over 75% of all greenhouse gas emissions and nearly 90% of all carbon dioxide emissions coming from fossil fuels like coal, oil, and gas, these sources are by far the biggest cause of climate change in the world. The Earth is covered in greenhouse gas emissions, which trap solar heat.
These organisms were broken down over millions of years into one of the three primary fuels: oil (also known as petroleum), natural gas, or coal, by the heat and pressure of the Earth's crust. Since these fuels are created from the remains of extinct animals and plants, they are referred to as fossil fuels.
Learn more about the greenhouse gas,
https://brainly.com/question/29454594
#SPJ4
at _____ distances from the nucleus, the probability of a bremsstrahlung radiation _____ , and the energy of the bremsstrahlung ______ .
At a higher effective nuclear charge distances from the nucleus, the probability of a bremsstrahlung radiation is more, and the energy of the bremsstrahlung is 84 kVp.
A body or physical system need energy to perform work, produce heat, and release light. The quantity that makes things happen is called energy. It is a sum that the machinery will take. According to the law of conservation of energy, energy is a resource that can only be changed from one form to another and cannot be created or destroyed. In the SI (International System of Units), the unit of measurement for energy is the joule (J).
To learn more about energy click on the given link: https://brainly.com/question/11400024
#SPJ4
what is oxygen cycle ? explain ? and give advantages as well as disadvantages?
Explanation:
Oxygen cycle refers to the movement of oxygen through the atmosphere (air), biosphere (plants and animals) and the lithosphere (the Earth's crust). The oxygen cycle demonstrates how free oxygen is made available in each of these regions, as well as how it is used.
Advantages:
Oxygen cycle, along with the carbon cycle and nitrogen cycle plays an essential role in the existence of life on the earth. The oxygen cycle is a biological process which helps in maintaining the oxygen level by moving through three main spheres of the earth which are: Atmosphere. Lithosphere.
Disadvantages:
High concentrations of oxygen, over a long period of time, can increase free radical formation, leading to damaged membranes, proteins, and cell structures in the lungs. It can cause a spectrum of lung injuries ranging from mild tracheobronchitis to diffuse alveolar damage.
Explanation
Oxygen cycle refers to the movement of oxygen through the atmosphere (air), biosphere (plants and animals) and the lithosphere (the Earth's crust). The oxygen cycle demonstrates how free oxygen is made available in each of these regions, as well as how it is used.
Advantages:
This cycle is important because it helps to shield the Earth from the majority of harmful ultra violet radiation turning it to harmless heat before it reaches the Earth's surface.
Disadvantages:
High concentrations of oxygen, over a long period of time, can increase free radical formation, leading to damaged membranes, proteins, and cell structures in the lungs. It can cause a spectrum of lung injuries ranging from mild tracheobronchitis to diffuse alveolar damage.
HOPE THIS HELPS!!!!
Which of the following Proteobacteria regularly use(s) intracellular pathogenesis as part of the infection cycle?
Choose one or more:
A. Neisseria meningitidis
B. Legionella pneumophila
C. Yersinia pestis
D. Escherichia coli
Legionella pneumophila, Most cases of Legionnaires' illness are caused by the bacteria Legionella pneumophila.
Any of the subsequent typhus and Rocky Mountain spotted fever caused by alphaproteobacteria?
Numerous crucial bacteria for medicine can be found in the order Rickettsiales of the -proteobacteria, including the pathogens that cause typhus and Rocky Mountain, spotted fever. Newly emerging pathogens that cause diseases that are similar to one another and have numerous bacterial traits are among them.
What are the functions of alpha protozoa?Alphaproteobacteria of the genus Agrobacterium are frequently used by scientists to introduce foreign DNA into plant genomes due to their symbiotic characteristics. They also offer numerous additional biotechnological advantages.
to know more about Proteobacteria here:
brainly.com/question/13383583
#SPJ4
Which of the following is true about cinder cones? A. It is built from particles and blobs of solidified lava ejected from a single vent.
B. Lava coming out from this volcano is not accompanied by pyroclastic materials.
C. Lava blown out from this volcano breaks into small fragments solidify and fell as cinder around the vent.
D. It is formed from viscous magma being erupted effusively onto the surface and then piling up around the vent.
It is true of cinder cones that they are composed of fragments and blobs of solidified lava erupted from a single vent.
What is the reality of cinder cones?The most basic type of volcanoes are cinder cones. They are constructed by lava blobs and particles discharged from a single vent. Gas-charged lava is violently thrown into the air and breaks into small pieces that harden and fall as cinders around the vent to form a cone-shaped or circular structure.
A cinder cone has which of the following characteristics?The simplest kind of volcanoes are cinder cones. They are distinguished by their small size, steep slopes, and cone shape. They are the most frequent volcanoes as well. As ejected igneous builds up, cinder cones are created.
To know more about cinder cones visit:-
https://brainly.com/question/1352769
#SPJ4
telophase of mitosis; interphase; phases of mitosis; anaphase of mitosis; what happens in anaphase; prophase mitosis; what happens in metaphase
The chromosomes are separated by a structure called the mitotic spindle.
A chromosome is a lengthy DNA molecule with component or all of the genetic material of an organism. In maximum chromosomes the very lengthy skinny DNA fibers are lined with packaging proteins; in eukaryotic cells the maximum vital of those proteins are the histones. These proteins, aided by chaperone proteins, bind to and condense the DNA molecule to keep its integrity. These chromosomes show a complicated third-dimensional structure, which performs a large position in transcriptional regulation.
Chromosomes are generally seen below a mild microscope best for the duration of the metaphase of molecular division.
To know about chromosomes click here
https://brainly.com/question/11912112
#SPJ4
there are two distinct ways in which the basic body tissues become arranged during the development of a fertilized egg. in , such as insects and earthworms, the first opening to form in the embryo becomes the mouth, whereas in , such as humans and sea stars, the mouth forms from the second embryonic opening.
An organ is a structure made up of two or more tissue types that work together to perform a specific function.
A blastocyst is a ball of cells that develops early in a pregnancy, around five to six days after a sperm fertilizes an egg. It implants in your uterine wall and develops into an embryo, then a fetus.
Fertilization initiates the early phases of embryonic development. Fertilization is closely monitored to ensure that just one sperm unites with one egg. The zygote undergoes cleavage after fertilization to generate the blastula.
Members of major taxonomic groups of animals are classified as protostome or deuterostome based on how they grow as embryos.
Learn more about to tissue visit here;
https://brainly.com/question/17664886
#SPJ4
The learning history of observers has a powerful influence on what they learn from models. This is illustrated by the fact that chimpanzees that have had __________ training get more from observing a model than those that have not.
The learning history of observers has a powerful influence on what they learn from models. This is illustrated by the fact that chimpanzees that have had language training get more from observing a model than those that have not.
What is a chimpanzees ?
Being extremely social creatures, chimpanzees can quickly distinguish one another even when they haven't seen one other for a long time. Some chimpanzees that have learnt American Sign Language have retained memories of a person and their name sign even after a long period of time has elapsed.
Chimpanzees in the wild belong to a huge community, but they frequently travel, rest, and feed in smaller groups. This type of civilization is known as "fission-fusion." Individuals may join or leave these subgroups at any time, and their makeup is constantly changing. One dominant male serves as the group's alpha in chimpanzee social groupings, which have a distinct social structure that can vary. The social standing of a man's mother within a community is frequently related.
To learn more about chimpanzees Please click on the given link:
https://brainly.com/question/1692543
#SPJ4
If a cell has a nucleus and a cell membrane, but no cell wall, it is most likely
O a plant cell
O an animal cell
O a bacteria cell
• not a cell at all
Answer:
Explanation:
s
Answer:
a bacteria cell
Explanation:
Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea. Prokaryotic cells are much smaller than eukaryotic cells, have no nucleus, and lack organelles. All prokaryotic cells are encased by a cell wall.
Fill in the blanks with the terms provided. Not all terms will be used. effector motor interneurons prolonged very prompt monosynaptic reflex polysynaptic reflex receptor sensory is the simplest of all reflexes. The axons synapse directly on the neurons, whose axons project to the . Very minor synaptic delay is incurred in the single synapse of this reflex arc, resulting in a __reflex response. A has more complex neural pathways that exhibit a number of synapses involving within the reflex aro. Because this reflex arc has more components, a more delay occurs between stimulus and response. Pre 1 of 05 II Next >
Each of the blanks should be filled with the terminologies provided as follows;
A monosynaptic reflex is the simplest of all reflexes. The sensory axons synapse directly on the motor neurons, whose axons project to the effector. Very minor synaptic delay is incurred in the single synapse of this reflex arc, resulting in a very prompt reflex response. A polysynaptic reflex has more complex neural pathways that exhibit a number of synapses involving interneurons within the reflex arc. Because this reflex arc has more components, a more prolonged delay occurs between stimulus and response.What is a neuron?In Science, neuron can be defined as a nerve cell that is saddled with the responsibility of transmitting or sending electrical signal (impulses) down an axon across a cellular membrane of the body of a living organism through an action potential.
Generally speaking, a neuron comprises different parts and these include the following:
Cell bodyMyelinDendritesAction potentialAxonRead more on neurons here: brainly.com/question/13076783
#SPJ1
how does iodine affect a solution of starch and amylase and a solution of starch and water?
Amylase breaks down starch into glucose, and glucose does not react with iodine. Iodine in the solution of starch and water will turn a brown, blue-black or purple color.
Iodine reaction with Starch and water solutionWhen the starch granules are added to water, it rises and burst. This causes the starch molecules to break down and release the glucose molecules into the water. The starch molecules interact with more water, increasing the randomness of the solution. This process is known as gelatinization.
To test for the presence of starch in the solution iodine is added to the mixture. The coloration of brown to blue-black or purple color confirms the presence of starch.
Learn more about starch on
https://brainly.com/question/13338136
#SPJ1
Dams provide water for 40% of irrigated land, yet there are disadvantages to dams. Which of the following is NOT a disadvantage of dam use?
a) loss of water due to evaporation
b) provide electricity for many countries
c) increase in salinity due to evaporation and runoff
d) increase in sediment buildup leads to less available water
e) depletion of river water
b) provide electricity for many countries
The statement which is not disadvantage for dams b) provide electricity for many countries
Dam is a building that is used as a barrier to the flow of river water so as to form a reservoir with water reserves. Dams are used to raise the water level in rivers to the height required for water to flow into irrigation canals and rice fields.
The flow of water in the dam can also be used as an alternative source of hydroelectric power that is capable of producing large amounts of electricity. By using a water wheel, the rotation of the water wheel in the dam will produce strong energy of motion. The motion energy from the water wheel can be utilized to generate electrical energy.
Apart from providing many benefits, the dams they build can have negative impacts such as damaging the ecosystem. salinity will rise due to evaporation that occurs in the water in the dam, as well as the amount of water will decrease due to the extinction of sediment causing reduced air availability. The volume of river water will also decrease because the water is trapped in the dam. The process of evaporation of water in the dam due the sun's heat energy can heat up the water in the dam and cause the water molecules to move faster and turn into a gas called water vapor. water vapor and rises into the atmosphere. Evaporation of dam water causes the amount of water in the dam to decrease, thus causing the water salinity to increase.
Learn more about dams at:
https://brainly.com/question/6592407
#SPJ4
Which of these most influences the development of a female fetus?
Regardless of the sex chromosomal complement, every fetus has structures that can develop into either male or female genitalia.
How is a fetus transformed into a female?A sperm can have either an X or a Y chromosome, while every egg has an X chromosome. The baby will be a girl if the sperm that fertilizes the egg contains an X chromosome; a boy if it has a Y chromosome.
What distinguishes a male from a female fetus?Even during the first trimester of pregnancy, there are biological differences between the sexes that are noticeable. In the first trimester, male fetuses have longer rump-crown distances than female.
To know more about female fetus visit:-
https://brainly.com/question/25224559
#SPJ4
Gastrulation begins when a groove with raised edges called the _________________ appears on the dorsal surface of the embryonic disc and establishes the longitudinal axis of the embryo
The onset of gastrulation is signaled by the formation of the primordial streak, a groove in the caudal end of the epiblast layer.
What happens during the first opening of gastrulation?In the blastopore The embryo's first opening, or blastopore, is where invagination occurs during gastrulation. Eventually, the mouth or the anus will develop from the blastopore. Either one or the other end of the gut-tube. The archenteron, a rudimentary gut, develops at this period.
In what part of the blastula does gastrulation begin?The embryo's posterior side is where the extraembryonic tissue and epiblast converge, and this is where the primitive streak develops at the start of gastrulation. This is also where ingression occurs.
To know more about gastrulation visit :-
https://brainly.com/question/15839332
#SPJ4
Which results from the anaerobic cellular process?
Anaerobic respiration is a kind of respiration that takes place when oxygen is scarce. During intense activity, lactic acid builds up in the anaerobic respiratory system.
Through the cell's cytoplasm's electron transport chain, organic and biological fuel are broken down and oxidized during anaerobic respiration. Due to the increased energy demand during intense activity, the anaerobic respiration cellular process lacks the utilization of oxygen to make energy like ATP and lactic acid buildup. Carbon dioxide, water, lactic acid, and ATP are all produced as byproducts of the anaerobic respiration cellular process. When glucose and glycogen are broken down, lactic acid is created.
learn more about anaerobic respiration here:
https://brainly.com/question/13943624
#SPJ4
Which scenarios describe a keystone species?
A. Removal of a species of herbivore results in a slight decline in the biomass of the other species in that community.
B. Humans hunt a rare species of predator to extinction. Within several years, the diversity of species living within that ecosystem collapses and only a handful of species remain.
C. On one side of a river, a species of herbivore is found in small numbers. On the other side, it is absent. The side it is found on has 5 times the species diversity compared to the other side.
D. A tree is found to be the most abundant species in a community. Its removal substantially reduces the biomass but not the number of species in the community.
The scenarios that describe a keystone species are Option B and C.
B. Humans hunt a rare species of predator to extinction. Within several years, the diversity of species living within that ecosystem collapses and only a handful of species remain.C. On one side of a river, a species of herbivore is found in small numbers.What is the keystone species?A species that plays a vital role in defining an ecosystem is known as a keystone species. By controlling the number of mussels and barnacles
Huge ecosystems depend on keystone species like large mammalian carnivores. They eat a wide range of animals and aid in keeping the ecosystem in balance by doing so. Lions, tigers, and jaguars are a few examples of huge animal predators.
Read more on keystone species here:https://brainly.com/question/6868621
#SPJ1
the structures that cover wrap around and completely envelope capillaries in the brain are the feet of astrocytes. true or false?
True is the right response. In the brain, capillaries are surrounded by the perivascular feet of astrocytes.
What are capillaries?
Your body contains tiny blood vessels called capillaries, which are found everywhere. They deliver blood, nutrients, and oxygen to the cells that make up your body's organs and systems. Your vascular system contains capillaries, which are the smallest blood vessels.
Capillaries complete the circulatory system by connecting arteries to veins: Arteries carry oxygen-rich blood from the heart to your organs. Veins help the body remove low-oxygen blood and waste.
Capillaries also support a variety of organs and systems. They support the:
Bone marrow, by enabling new blood cells to enter your bloodstream.
Brain, by forming the blood-brain barrier. This structure delivers nutrients to the brain while preventing toxins from passing through.
Endocrine system, by delivering hormones to specific organs.
Kidneys, where peritubular capillaries filter blood, produce urine, and absorb water and sodium.
Liver, by removing defective red blood cells and bacteria.
Lungs, by releasing carbon dioxide take in oxygen.
Lymphatic system, by collecting fluid from tissues and directing it to lymph nodes.
Small intestine, transport digested nutrients so they can nourish your cells.
To learn more about capillaries Please visit the below link.
https://brainly.com/question/83042
#SPJ4
the weight, in grams, of a population of bacteria at time t hours is modeled by the function w, the solution to a logistic differential equation. selected values of w and its first and second derivatives are shown in the table above. which of the following statements is true?
With regards to the function model then the true statement as per first and second derivatives is: (C)[tex]\frac{dw}{dt} = \frac{1}{100} W (70-W)[/tex], because the carrying capacity is 70 and the rate of change of the weight is 6 grams per hour when the weight is 10 grams.
When, W = 10 then [tex]\frac{dw}{dt}[/tex] = 6
When W = 35 then [tex]\frac{d_{2}w}{d_{2}t}[/tex] = 0
where the point influx occurs, the weight of the carrying capacity is half
Therefore, 35 = [tex]\frac{a}{2}[/tex]
Then the carrying capacity (a) = 35 x 2
a = 70
A function's sensitivity to change with respect to a change in its argument is measured by the derivative of a function of a real variable. Calculus's core tool is the derivative. It is a crucial idea that is incredibly helpful in a variety of contexts: in daily life, the derivative can inform you how fast you are driving or assist you in predicting stock market changes; in machine learning, derivatives are crucial for function optimization.
Note that the full question is:
The weight, in grams, of a population of bacteria at time hours is modeled by the function, the solution to a logistic differential equation. Selected values of and its first and second derivatives are shown in the table above. Which of the following statements is true?
(A)[tex]\frac{dw}{dt} = \frac{35}{125} W (35-W)[/tex], because the carrying capacity is 35 and the rate of change of the weight is6 grams per hour when the weight is 10 grams.
(B)[tex]\frac{dw}{dt} = \frac{35}{250} W (35-W)[/tex], because the carrying capacity is 35 and the rate of change of the weight is3 grams per hour when the weight is 10 grams.
(C)[tex]\frac{dw}{dt} = \frac{1}{100} W (70-W)[/tex], because the carrying capacity is 70 and the rate of change of the weight is6 grams per hour when the weight is 10 grams.
(D)[tex]\frac{dw}{dt} = \frac{1}{200} W (70-W)[/tex], because the carrying capacity is 70 and the rate of change of the weight is3 grams per hour when the weight is 10 grams.
To learn more about derivatives: https://brainly.com/question/23819325
#SPJ4
the use of species-area relationships to predict extinction rates assumes that most extinction is due to
A quantitative description of the growing diversity of species in a community with expanding habitat area is provided by the species-area relationship (SAR).
What connection exists between the loss of habitat and the species-area effect?Communities become more stable when habitat becomes more fragmented because ecological interactions become weaker. However, when habitat is destroyed in nearby places, fewer fragmentation results, which weakens population stability because of stronger species interactions in the last appropriate area.
What is the primary reason behind the most significant extinction events?Why do mass extinctions occur? Extreme temperature variations, fluctuating sea levels, and catastrophic, one-time occurrences like an asteroid striking Earth or a large volcano erupting in the past have all contributed to mass extinctions. We are aware of them because the fossil record shows how life has evolved.
to know more about species-area relationship here:
brainly.com/question/13221213?
#SPJ4
Native autotroph species Of grassland (at least three)
Native heterotroph species of grassland (at least three)
Invasive species (at least one) of grassland
Endangered species (at least one) of grassland Briefly explain why this species is endangered.
One of the most vulnerable mammals in North America is the black-footed ferret.
Explain about the Endangered species of grassland?There are five species, and because of habitation by humans in their natural habitats, all five have experienced a reduction. However, only Cynomys mexicanus, the Mexican prairie dog, is currently listed as an endangered species by the U.S. Fish and Wildlife Service. There has been a little increase in the population of Cynomys parvidens, which was once thought to be endangered.
The Grasslands Specialist Group of the International Union for the Conservation of Nature (IUCN), the world authority on the condition of wild animal and wild place conservation, classifies them as one of the most endangered ecosystems on Earth.
A few factors that endanger natural grasslands and the wildlife that inhabits them are farming, overgrazing, invasive species, illegal hunting, and climate change.
To learn more about Endangered species of grassland refer to:
https://brainly.com/question/14715540
#SPJ1
The offspring of a cross between an RR plant and a WW plant would be pink and white. Then the offspring would be pink. What is dominant plant?
All of the pink-flowered progeny are produced when a red-flowered plant and a white-flowered plant are crossed. This cross serves as an example of the incomplete dominance of red and white. The mixing of both alleles results in this circumstance.
When members of animal social groups interact, they establish a ranking system that is known as a dominance hierarchy in biology (formerly and informally known as a pecking order). Sometimes, a submissive lower-ranking person is referred to as a beta, and a dominant higher-ranking person is referred to as an alpha. Depending on the species, different interactions can lead to dominance, such as ritualised hostility or overt physical aggression[2]. In social living groups, members are likely to battle for access to scarce resources and breeding opportunities.
Learn more about dominance here
https://brainly.com/question/14053639
#SPJ4
during the second and third trimesters, pregnant women should gain approximately ____ pounds per week
During the second and third trimesters, pregnant women should gain approximately one pound per week.
Pregnancy is the condition of conceiving a baby wherein a baby is being nourished inside the body of the female (inside the womb of the mother). Weight gain depends in part on your body mass index before pregnancy. Pregnant women usually gain more weight in their second trimesters than in their third trimester. In general, a healthy women needs about 340 additional calories per day during the second trimester. Sweets and fats should be kept to a minimum in the diet. A good consumption of fruit and vegetables should be included because it provides vitamins and minerals needed for the growth of the baby.
Learn more about pregnancy at:
brainly.com/question/862356
#SPJ4
11. A 55-year-old male patient has blood pressure of 150 / 95 mm Hg for more than 15
years. Which of the following cellular alterations can be seen in this heart?
a) Atrophy
b) Hyperplasia
c) Metaplasia
d) Hemosiderosis
e) Hypertrophy
Answer:
Metaplasia ia the answer
Option C
The kidneys are stimulated to produce renin
to regulate blood pressure
to regulate blood glucose levels
when blood levels of erythrocytes are low
to regulate water reabsorption
Answer:
. . . . . .. . . . . .. .. . .. . . .. .. .
