A tree species that is perfectly happy growing very slowly is not also likely to reach a gap in the forest canopy quickly before other species occupy it.
Since it is growing very slowly, it has a tendency to live for a longer time period. And it also has a low maximum growth rate.Climax community refers to an ecological setting where plant or animal populations are stable and coexist in harmony with one another and their surroundings. The last stage of succession is a climax community, which lasts until it is destroyed by an occurrence like a fire or human intervention. Since it is a very slow growing plant, it has the chances of being a member of the climax community. It's growth will be relatively slower as compared to the other surrounding species. Hence, it can also grow and establish underneath the members of its same species which could be at different growth stages.Therefore, due to its extremely slow growth rate, the tree species is not also likely to reach a gap in the forest canopy quickly before other species occupy it.
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Compare the electron interactions that occur between atoms forming an ionic bond and atoms forming a covalent bond.
In ionic bonds there is a transfer of electrons between two atoms having charge differences, whereas in covalent bonds there occurs an equal sharing of electrons between two atoms.
Ionic bonds is formed when transfer of electrons happen from one atom to other. The atom receiving the electron is electronegative whereas the atom donating the electron is electropositive. This, the two atoms are opposite in charge.
Covalent bonds are formed when electrons are shared between two atoms having no or negligible charge differences. Such atoms maintain an equilibrium between the attractive and repulsive forces. Covalent bonds cannot conduct electricity.
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Energy is received from carbohydrates, proteins and fats in the foods we eat. These nutrients provide calories, which are listed on food labels as what?.
Energy is received from carbohydrates, proteins, and fats in the foods we eat. These nutrients provide calories, which are listed on food labels as nutrition facts.
Humans' requirements for energy are fulfilled by the food that we consume in the form of carbohydrates, fats, and proteins.
These calories are important for performing various physical activities such as walking, running, and talking.
A nutrition fact label lists all the necessary nutritional content, the number of calories and the serving size to provide necessary guidelines to consumers.
In many countries, the fact label is provided on the food packaging indicating the number of nutrients and other ingredients which are present in the food.
Furthermore, such nutritional facts are only for educational purposes and for rating food quality.
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As _____, an enzyme does not change its chemical structure while promoting other chemical reactions.
An enzyme acts as a catalyst for other chemical reactions without altering its own chemical structure.
What is catalyst?With its chemistry connotation, catalyst entered the English language very recently, at the beginning of the 20th century. It was created from the word catalysis, a phrase used in chemistry to describe a change in a chemical reaction's course, particularly an increase in its rate brought on by a substance that is chemically unaltered at the conclusion of the reaction. By the 1940s, the word "catalyst" was used figuratively to refer to someone or anything that quickly brings about change or activity.
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The increase of chromosome number by one or more whole sets of chromosomes is called:
Answer:your answer is haploidy. you are correct
Explanation:
Skeletal muscles are in a constant, slightly contracted state called ____.
a. extensibility
b. elasticity
c. muscle tone
d. relaxation
5 examples of binomal nomenclature of organisms
Answer:
5 examples of the binomial nomenclature of organisms are:
cobra - naja naja
frog - rana tigrina
mango - mangifera indica
pear - pyrus communis
honey bee - apis mellifera
Deforestation causes an increase in the atmospheric concentration of which greenhouse gas?.
Deforestation causes an increase in the atmospheric concentration of carbon dioxide.
What part does deforestation play in global warming?When trees are destroyed, a large portion of the carbon is released back into the atmosphere as CO2. This is how forest degradation and deforestation affect global warming. Carbon is stored in plants and forests. This stored carbon has the potential to be released back into the atmosphere as carbon dioxide and contribute to climate change when they are damaged or entirely destroyed, for example by fire - a process known as deforestation. Up to 10% of the carbon dioxide emissions brought on by human activity are attributable to deforestation. Due to deforestation and degradation, tropical forests no longer serve as a carbon "sink," emitting more carbon than they are able to absorb.Learn more about the greenhouse effect with the help of the given link:
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Select all the reasons a cell regulates gene expression. multiple select question. to express their entire genome at all times to have a specialized function to generate atp by producing proteins to respond to changing conditions
To have a specialized function, to generate atp by producing proteins to respond, to changing conditions are reasons why a cell regulates gene expression.
Cells utilize a variety of ways to enhance or reduce the production of particular gene products, such as protein or RNA, and this process is known as gene regulation. In biology, complex gene expression programs are frequently seen, for instance, to start developmental pathways, react to environmental cues, or adapt to new food sources. Almost every stage of gene expression can be altered, including the beginning of transcription, the processing of RNA, and the post-translational modification of a protein. Nutrients, temperature, light, toxins, metals, chemicals, and signals from other cells are among the factors that affect gene expression. Numerous human ailments and diseases can be brought on by problems with the control of gene expression.
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When researchers test a new human cancer drug using mice, the mice constitute the.
The model is what the mice constitutes when researchers test a new human cancer drug using mice.
Scientific insight, or discovery, entails the creation of a theory to explain an observed phenomenon, the planning and carrying out of experiments to test the theory, and the feedback of experimental findings to the theory's evolution. This procedure, which is sometimes referred to as the scientific method, is essential to all scientific discovery projects.
Experimental modeling is the use of animals (experimental models) to simulate the onset and progression of diseases as well as to evaluate novel treatments before they are administered to humans. Xenograft models are animals that have human malignancies or other tissues implanted.
Because they offer extra insights that are frequently impractical or impossible to learn through real-world experimental and theoretical analysis alone, modeling and simulation are highly appreciated in scientific discovery.
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Question correction:
An experienced goldfish breeder receives two unusual male goldfish. One is black rather than gold, and the other has a single tail fin rather than a split tail fin. The breeder crosses the black male to a female that is gold. All the F1 are gold. She also crosses the single-finned male to a female with a split tail fin. All the F1 have a split tail fin. She then crosses the black male to F1 gold females and, separately, crosses the single-finned male to F1 split-finned females. The results of the crosses are shown below.
Black male ×F1 gold female:
Gold 32
Black 34
Single-finned male ×F1 split-finned female:
Split fin 41
Single fin 39
1. What do the results of these crosses suggest about the inheritance of color and tail fin shape in goldfish?
-The inheritance of color and fin shape are due to segregation of two alleles at the same gene.
-The inheritance of color and fin shape are each due to segregation of two alleles at a single gene.
-The inheritance of color is due to segregation of two alleles at different genes; the same is true for fin shape.
What is it called when molecules move across the cell membrane from an area of high
concentration to an area of low concentration through a carrier protein
Answer:
Diffusion
Explanation:
Diffusion is the process by which molecules/particles move from an area of high concentration to low concentration until equilibrium has been achieved.
Some cell processes are influenced by multiple signaling pathways that converge on the same molecular targets. does this provide a selective advantage to the organism?
When several signaling channels that regulate cellular activities converge on the same molecular target, there are benefits as well as drawbacks.
The organism here saves energy by not having to synthesis the components for separate pathways, but there is a chance that the cell will react incorrectly to input.
The term "signaling route" refers to a set of chemical interactions in which a number of chemicals in a cell cooperate to regulate a cell function, such as growth, differentiation, metabolism, or cell division or death.
Four things are necessary for a signaling pathway to function: the initial signal, the receptor that binds the signal, the signaling molecule or molecules that relay the message, and the effector or effectors that cause a temporary or permanent change in cellular structure.
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In order to perform karyotype analysis, chromosomes are obtained from actively dividing cells and treated with chemicals to keep them at the _____ stage of mitosis.
Answer:
In order to perform karyotype analysis, chromosomes are obtained from actively dividing cells and treated with chemicals to keep them at the _metaphase_ stage of mitosis.
Explanation:
A phase of cell division known as "metaphase" (mitosis or meiosis). Many chromosomes are often spread throughout the cell nucleus. The cell's chromosomes compress and migrate toward one another, uniting in the center of the dividing cell, while the nucleus of such cell disperses during metaphase. All chromosomes may now be identified when examined under a microscope. During karyotyping, a clinical method for detecting chromosomal mutations, metaphase chromosomes are usually utilized. Several more years earlier we realized what kind of material was, the ability of the microscope to observe chromosomes during metaphase enabled us to recognise them as having genetic information. Later research revealed both DNA and protein makeup chromosomes and also that DNA encodes the genetic information contained inside them.
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A train car is to a train, as a _______________ is to a polymer and a molecule is to a ______________
Answer: In bold and underlined
A train car is to a train, as a Monomer is to a polymer and a molecule is to a Macromolecule.
Explanation :MACROMOLECULE CONCEPT:
A macromolecule is a large molecule commonly created through the polymerization of smaller subunits. They are usually made up of thousands, or more, atoms.
Parrotfish are herbivores that are found in coral reefs. To escape predation, a parrotfish will graze with a rabbitfish, which has venomous spines at the end of its pelvic fins. The rabbitfish does not benefit from this relationship. Which type of relationship do the parrotfish and the rabbitfish have in the coral-reef environment?.
the parrotfish and the rabbitfish have commensalism relationship in the
coral-reef environment.
On the coral-reef, carnivores have diversified into many species than herbivores.So the Competition among carnivores has produced a dangerous environment for prey, in which hungry jaws wait in hideouts around every corner, during all hours of the day.
So to escape predation, some relatively defenseless herbivores, such as parrotfish , have evolved to graze with schools of their better-protected rabbitfish .
Goldlined rabbitfish , also called spine-feet fish, are named so for their defensive venomous spines at the ends of each of their pelvic fins. But spines are last-ditch defense. Therefore to avoid being thrust into a risky spine-to-fang battle, rabbitfish employ their color- changing nature to avoid predator detection in the first place.
Schools of rabbitfish thus provide an excellent refuge for the poorly defended relatives, the parrotfish.
.
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Which of the following is the largest type of black hole?
Stellar - Mass
Supermassive
Supernova
Singularity
Proteins are composed of amino acids that contain a(n) ____________ group (labeled a), a(n) ____________ group (labeled b), and a variable r group.
Proteins are composed of amino acids that contain an amino group (labeled a), an acid group (labeled b), and a variable r group.
Proteins are complex biomolecules and are composed of multiple chains of amino acid subunits.
The amino acids are joined together through peptide linkage and are the building blocks of proteins.
Proteins are present in all living things and various biological substances are categorized as proteins such as hormones, enzymes, and antibodies.
Moreover, they are manufactured in ribosomes and play an essential role in the human body such as regulating cells, organs, and tissues' functions.
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Which of the following is NOT a function of
lipids?
-Make hormones
-long term energy storage
-Build cell membranes
-short term energy
In humans and other multicelluar organisms, which substance plays a central role in long-term energy storage?
In humans and other multicellular organisms, fats and sugar substances play a central role in long-term energy storage.
Fats and sugar are vital macronutrients that belong to the class of carbohydrates and are major sources of energy.
These compounds are key components behind substantial body reactions as they provide energy for carrying many chemical reactions.
Carbohydrates and fats can be obtained from food such as rice, wheat, meat, seafood, eggs, vegetables and milk products.
When these macronutrients are converted into smaller units they transfer energy to cells and other organelles.
To put it simply, our muscles and liver store sugar as glycogen and excess is deposited into adipose tissues as fats.
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Define adaptation and selection pressure. why are these concepts important in understanding human anatomy and physiology?
Anatomical, physiological, and behavioural adaptations are traits that have developed in response to selection pressure. Natural processes called selection pressures help some people reproduce more successfully than others.
What is human anatomy and physiology ?A branch of biology that focuses on identifying and describing the physical characteristics of living organisms. In its most limited meaning, gross anatomy only studies the human body's primary bodily structures through dissection and observation.
The study of how the human body works in both health and sickness is known as human physiology. A degree in human physiology offers good preparation for vocations or graduate study in the health professions, biomedical research, or allied fields.Learn more about Anatomy here:
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Sugars and starches belong to which group of organic compounds?
Answer:carbohydrates
Explanation:
How are hydrogen bonds involved in the structure of a protein?
Answer:
Hydrogen bonds are involved in the structure of a protein by holding the protein together.
Explanation:
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When computing the annual growth rate in revenues, you divide the ____ value by the ____ value, and then subtract 1.
When calculating the annual growth rate in payments, you separate the ending value by the beginning value and then subtract 1.
What do you mean by annual growth rate?By considering the average revenue for a specific time period, annual growth rates are determined. The finishing value of an investment or asset is divided by the asset's initial value in the yearly growth rate formula. You get a decimal point that can be converted into a percentage when you take one out of this amount. The change in a measurement's value over a year is known as the annual growth rate (AGR). Growth rate = (Current value / Previous value) x 1/N - 1 is the formula. How to Calculate the Difference Between the Previous and Current Values: Subtract the Previous Value from the Current Value to determine the Difference between the Previous and Current Values. Current value minus Previous value equals Difference.To learn more about annual growth rate, refer to:
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What forces constitute various intermolecular forces that exist between different molecules?
Adhesive forces are the intermolecular forces of attraction between two different molecules.
What do you mean by intermolecular?Intermolecular forces, such as the electromagnetic forces of attraction or repulsion that act between atoms and other kinds of nearby particles, such as atoms or ions, mediate interactions between molecules. Electrostatic in nature, intermolecular forces result from the interaction of positively and negatively charged entities. Intermolecular interactions are the total of both attracting and repulsive elements, similar to covalent and ionic connections. Intermolecular forces are critical in influencing the physical properties of molecules, such as their melting and boiling points, density, and enthalpies of fusion and vaporization, while being far less important than intramolecular forces of attraction.Kinds of Intermolecular Forces- Distribution, Dipole-Dipole, Hydrogen Bonding, and Ion-Dipole.To learn more about intermolecular, refer to:
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What is the
purpose of
alveoli?
A. They warm air and dissolve gases to be put into
the blood stream.
B. They transport air from the trachea to the
bronchioles.
C. They make sound as air passes over them.
D. They filter the air coming into the body.
Professor Jamal is studying the populations of two species of grasses, labeled A and B, that are native to a grasslands ecosystem. Based on data and observations, the professor predicts how the populations of the grasses will vary with average temperature during the month of March. Her predictions are shown in the graph.
In one ecosystem, the average March temperature is 16°C. Based on the professor’s graph, which statements describe the populations of the two grass species in this ecosystem?
I. The two populations are approximately equal in size.
II. The two species help the ecosystem tolerate increases or decreases in temperature. III. Over time, one grass species will replace the other in the ecosystem.
(A) III. only
(B) I and II only
(C) I and III only
(D) II and III only
(E) I, II, and III
The statements that describe the populations of the two grass species in this ecosystem are
The two populations are approximately equal Over time, one grass species will replace the other in the ecosystem.Option C I and III
This is further explained below.
What is an ecosystem?Generally, An ecosystem, also known as an ecological system, is made up of all the creatures and the physical setting in which they live.
The nutrition cycles and energy fluxes connect these biotic and abiotic elements.
In conclusion, The statements that describe the populations of the two grass species in this ecosystem are
The two populations are approximately equal Over time, one grass species will replace the other in the ecosystem.Option C I and III
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1. Explain what this graph is intended to show.
2. What type of graph is this?
3. What is the independent variable?
4. What is the dependent variable?
5. Describe this graph.
6. What if any is the relationship between the average minutes of sunlight and the average temperature?
7. Does this graph show a direct or inverse relationship?
8. Are there any data points that seem not to fit the pattern of the others? If so, can you think of any possible reasons for
these "outliers"?
9. What is the average temperature at 650°C?
.O. Predict what you think the average temperature might be at 700°C?
Answer:
1.the graph shows the relationship between sunlight exposure and temperature, and how temperature varies over time in sunlight.
3. sunlight is independent
4. temperature is dependent
5. the temperature increases as the minutes of sunlight also increase
6. as more minutes are spent in sunlight, the average temperature increases indicating they are somewhat directly proportional to eachother
7. direct relationship
8. yes, due to the possibility of external factors such as humidity and wind speed that can affect the data
9. at 650c the avg temp is 18c
10. in order to predict temperature at 700c, you must draw a best fit line through the points and extrapolate at 700c mark, estimation is somewhere between 36c-40c
How do archaeologists know that the zapotec city of monte alban was more than just a ceremonial center?
There was an observatory for observing the stars to establish a calendar. In what ways did the Chavin influence other peoples? They created amazing works of POTTERY and SCULPTURE that were influential to others.
What is ceremonial center ?Particularly in the Olmec and Maya civilizations of Mesoamerica, ceremonial centres reflect one interpretation of the primary kind of urban site. Each centre often consists of imposing religious structures and temples, offices, ball fields, and nobles' private residences.
Due to their extensive trade networks, the Olmec culture was widely dispersed. Although it is unknown if the Olmec and Zapotec civilizations evolved from an older civilisation, its art and mythology were transmitted via these paths. Olmec influence can be seen in Zapotec stone carvings, plazas, temples, and pyramids.Learn more about Archeologist here:
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Summarize the relationship between water and the plasma
membrane by completing the concept map below.
Water flows into the plasma membrane through osmosis.
The movement of water by osmosis helps with homeostasis.
Osmosis is the movement of water molecules through a semi-permeable membrane from regions of high concentration to regions of low concentration.
Homeostasis refers to the processes employed by the body in order to maintain a fairly constant internal environment.
What is Osmosis and Homeostasis?Osmosis is the movement of water molecules through a semi-permeable membrane from regions of high concentration to regions of low concentration.
Homeostasis refers to the processes employed by the body in order to maintain a fairly constant internal environment.
The plasma membrane is important to the cell in maintaining homeostasis.
The plasma membrane selectively allows water and other small molecules such as ions to enter or leave the cell in order to maintain homeostasis.
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For structures consisting of identical atoms, how many atoms are contained in the body-centered cubic unit cell?
In the body-centered cubic unit cell, there exist one atom at the center of the cubic cell, and eight atoms at the eight vertices, one at each.
The atom at each of the vertices is shared by eight additional nearby unit cells, however the atom at the center is exclusively owned by that unit cell. According to the latter assertion, each vertex provides one-eighth of an atom. Since there are 8 vertices, their total contribution is computed as:
(1/8) x 8 = 1 atom to the unit cell.Therefore, the total number of atoms per BCC unit cell is 1+1 = 2.
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What was the dependent or responding variable in this lab?
A. The heart rate (beats per minute)
B. The # of students participating
C. The resting heart rate
D. The type of activity the students performed
The heart rate (beats per minute) is referred to as the dependent or responding variable in this lab and is denoted as option A.
What is a Dependent variable?This is the type of variable which changes when the independent variable is manipulated and is also referred to as the effect which is experienced in an experiment.
In this experiment, we can deduce that the independent variable is the type of activity being done by the student which produces changes in their heart rate(dependent variable) and is therefore the reason why option A was chosen as the most appropriate choice.
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