Polygenic refers to the overall pattern of genetic inheritance for the mental disease.
Describe polygenic.A trait that is influenced by two or more genes, such as height or skin tone, is referred to as a polygenic trait. Polygenic traits do not follow the laws of Mendelian inheritance since several genes are involved. Humans have three polygenic traits: height, skin tone, and eye color. Multiple genes control these features.
Etiological diagnosis:Etiology is the study of origin or cause. In epidemiology, etiology is crucial for determining the origin and causation of a disease. It is possible to intervene in the treatment and prevention of contagious, communicable, and non-communicable diseases by taking into account their etiological conditions.
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which evidence best supports the claim that mutations are a source of inheritable genetic variation?(1 point)
The statement 'mutations affect protein synthesis which impacts the way traits are expressed' BEST supports the claim that mutations are a source of inheritable genetic variation.
Mutations are genetic alterations in the nucleotide (DNA) sequence of the genome of an organism.
Non-silent mutations are those mutations that produce codons that encode different amino acids (i.e., non-synonym codons).
Non-silent mutations have the potential to change the amino acid sequence of the resulting protein (synthesized from a given gene), thereby they impact how phenotypic traits are expressed.
In conclusion, the statement 'mutations affect protein synthesis which impacts the way traits are expressed' BEST supports the claim that mutations are a source of inheritable genetic variation.
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Full Question ;
Which evidence best supports the claim that mutations are a source of inheritable genetic variation?
(1 point)
A Mutations are not inheritable from gametes because they are given from each parent.
B Mutations affect the way DNA is created through transcription.
C Mutations can only happen during meiosis because genes are inherited.
D Mutations affect protein synthesis which impacts the way traits are expressed.
small-bodied endotherms thermoregulate more efficiently than large-bodied endotherms because they can circulate body heat more rapidly. group of answer choices true false
The greater the organism's basal metabolic rate is likely to be among endotherms, animals that use body heat to maintain a constant internal temperature.
Across many species, there is a consistent link between mass and metabolic rate that even has a set mathematical equation. In comparison to larger endothermic creatures, smaller ones have a larger surface area per unit mass. Because they lose heat more quickly than larger animals, smaller animals need more energy to maintain a constant body temperature. The majority of the heat required by endotherms is produced internally. They improve metabolic heat generation in cold weather to maintain a consistent body temperature.
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how do cells at the completion of meiosis compare with cells that are in prophase of meiosis i? how do cells at the completion of meiosis compare with cells that are in prophase of meiosis i? the cells have half the number of chromosomes and one-fourth the amount of dna. the cells have the same number of chromosomes and half the amount of dna. the cells have half the number of chromosomes and half the amount of dna. the cells have half the amount of cytoplasm and twice the amount of dna.
The cells at the completion of meiosis have option 1 half the number of chromosomes and half the amount of DNA compared to cells in prophase of meiosis I.
This is because meiosis is a type of cell division that results in the production of four genetically distinct daughter cells, each with half the number of chromosomes. The other options are not true about the cells at the completion of meiosis.Meiosis is a type of cell division that occurs in sexually reproducing organisms and is responsible for the production of eggs and sperm. It is a two-part process, consisting of meiosis I and meiosis II. In meiosis I, the cell undergoes a reduction in chromosome number, resulting in the formation of two daughter cells each with half the number of chromosomes as the parent cell.
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what can you infer about autonomic nervous system?
Autonomic nervous system is a part of the peripheral nervous system that involves involuntary physiological processes.
It contains three anatomically distinct divisions - sympathetic, parasympathetic, and enteric. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS) contain both afferent and efferent fibers that provide sensory input and motor output, respectively, to the central nervous system. Generally, the SNS and PNS motor pathways consist of a two-neuron series: a preganglionic neuron with a cell body in the CNS and a postganglionic neuron with a cell body in the periphery that innervates target tissues.
The enteric nervous system (ENS) is an extensive, web-like structure that is capable of functioning independently of the remainder of the nervous system. It contains over 100 million neurons of over 15 morphologies, greater than the sum of all other peripheral ganglia, and is chiefly responsible for the regulation of digestive processes.
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Which of the following would not be a use for DNA Fingerprinting?
Drag the vocabulary terms onto this concept map about the components of an atom.A. Protons; B. Neutrons; C. Electrons; D. +1; E. Nucleus; F. -1; G. Atomic number; H. Mass number.
Protons, neutrons, and electrons make up the three components of the atom according to our present paradigm. Protons have a positive charge, electrons have a negative charge, and neutrons have no net charge. Each of these components has an associated charge.
An atom with six protons, six neutrons, and six electrons has an atomic number of six. This is so because the number of protons in an atom's nucleus equals the atom's atomic number. An atom of carbon would have an atomic number of six.
A. Protons; B. Neutrons; C. Electrons; D. +1; E. Nucleus; F. -1; G. Atomic number; H. Mass number.
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Raised area on lateral surface of humerus to which deltoid muscle attaches
Raised area on lateral surface of humerus to which deltoid muscle attaches is Deltoid tuberosity.
The humerus in animals exhibits a significant range of morphological diversity. An animal's mode of locomotion and environment are greatly influenced by the size and direction of its functionally significant characteristics, such as the deltoid tubercle, larger tubercle, and medial epicondyle.
The insertion of the trapezius muscle is similar to the U-shaped origin of this muscle. The deltoid tuberosity is a location where its apex or insertion joins to the lateral side of the humerus's body. The deltoid is divided into the anterior, lateral, and posterior portions.
The insertion site of the deltoid muscle is located in the deltoid tuberosity of the humerus. On the anterior-lateral side of the humerus, there is a triangular rough portion that serves as this bone marker.
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Practice: Principles of Natural Selection Read the following scenarios. Then determine which of the four principles of natural selection has occurred (overproduction of offspring, adaptation, variation, and descent with modification) as well as what condition(s) drive natural selection. There are 2 pages! 1. Some worms eat at night (meaning they are nocturnal) and some worms eat during the day (meaning they are diurnal.) Most birds eat only during the day, so they are only eating diurnal worms, due to the fact that the nocturnal worms are burrowing during this time. Each spring when the worms reproduce about 500 offspring are born but only 100 of them live long enough to reproduce themselves.
Natural selection will occur, and it will integrate the four natural selection principles.
What is Natural selection?As an evolutionary force, natural selection picks favorable alleles and raises their frequency in the population.
The four principles of natural selection are as follows:
1) Propagation
2) Succession
3) Variations in property
4)Changes in fitness
Natural selection is an evolutionary mechanism that favors genotypes with better fitness or aptitude. Natural selection favors the night worm over the daytime worm.
Here,
The four natural selection principles are as follows:
1) Reproduction: Natural selection must work on a population in order for it to reproduce and generate a new generation. As a result, the population will quickly be populated with people that possess characteristics that improve the species' chances of survival.
2) Inheritance: Inheritance works closely with reproduction because the genes of the parent combine to create the genes of the offspring.
3) Property variations: Natural selection can only be done within a population if the members of the population have different individual characteristics.
4) Fitness changes: Fitness is the ability of an organism to survive and reproduce as much as possible.
Natural selection will occur, and it will incorporate the four principles of natural selection.
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which of the following could cause high blood pressure? (3 points) kidney malfunction that causes abnormally high blood volume kidney malfunction that causes abnormally low blood volume relaxed smooth muscles of vessels that causes abnormally high blood volume constricted smooth muscles of vessels that causes abnormally low blood volume
kidney malfunction that causes abnormally high blood volume causes high blood pressure. Blood pressure is the force that flowing blood exerts against the walls of blood vessels (BP).
The heart's work of pumping blood through the circulatory system is primarily responsible for this pressure. The pressure in the major arteries is meant when the word "blood pressure" is used without qualifier. The ratio of diastolic pressure, or the lowest pressure experienced between two heartbeats, to systolic pressure, or the highest pressure experienced during one heartbeat, is frequently used to calculate blood pressure. Millimeters of mercury (mmHg) are used to measure the elevation above the adjacent atmospheric pressure.
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you suggest to use a eukaryotic microorganism for a genetic experiment in lab but your classmate thinks is better to use bacteria. why is your classmate correct?
My classmate is correct because Utilizing bacteria for genetic and biochemical research is advantageous for every one of the aforementioned reasons. Compared to animals and plants, bacteria lack complexity.
Bioremediators include fungi, bacteria, and archaea. The use of bioremediation, a biotechnological procedure involving microorganisms, to eliminate the dangers posed by numerous pollutants through biodegradation.
The genetic makeup of some bacteria has been extensively studied. The life cycles of bacteria can be extremely brief. Compared to animals and plants, bacteria lack complexity.
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Parakeets come in
four colors: white,
green, blue, and
yellow. How
many alleles
might there be for feather
color?
For color, males have two alleles. The more prevalent of something like the two alleles determines the color feathers. Women only have one color allele. The color of their feathers depends on the allele that copy is.
What is a brief definition of alleles?The term "allele" is used to refer to a gene's alternate form or variants. For each ancestral gene, one allele is inherited of each parent, so we frequently group the polymorphisms into subcategories. They are commonly referred to as conventional or wild-type genotypes.
Alleles are where?A gene locus is a location on a chromosome where each allele is found. The two alleles of the gene are shared by two paired pairs, one each inherited from each parent, and are situated in the same area. The alleles could be defective or dominant.
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what color would gram positive bacteria be if safranin was primary stain and crystl violate was counterstain
The bacterium will appear violet or purple under a microscope if it is Gram positive because it will hold onto the main stain, crystal violet, and not absorb the secondary stain, safranin.
What does primary stain mean?A chemical employed in differential staining's initial phase is called a primary stain. The entire microorganism being tested has its cells coloured by this reagent. Following the use of the decolorizing agent, the main stain may be washed away or retained by the cells, resulting in various microorganism classifications.
What exactly do primary stain and counter stain mean?The main stain is the initial reagent. All cells receive its colour as part of its activity. A mordant, or second stain, is used to intensify the initial stain's colour. the right way around.
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evolution of sex ratios has produced, in most plants and animals with separate sexes, approxi- mately equal numbers of males and females. why should this be so? two main kinds of answers have been offered. one is couched in terms of advantage to population. it
According to one theory, the sex ratio will change to maximize the number of encounters between people of the opposing sex. This issue is fundamentally one of "group selection."
In most plants and animals having distinct sexes, the development of sex ratios has resulted in roughly equal numbers of males and females. The sex ratio at birth, the disparity in mortality rates between the sexes at various ages, and gains and losses due to migration all affect the population sex ratio. This "genetic" argument assumes that genes can affect the proportion of male and female offspring that an individual carrying the genes produces. The sex ratio that increases a person's chance of having as many offspring as possible will be preferred.
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Make a chart/diagram of the 4 Kingdoms and answers the questions below:
- What are the 3 questions that MUST be asked when deciding what Kingdom an organism falls into?
- List 3-4 characteristics of each Kingdom.
- List an organism example of each kingdom.
- And one interesting fact that stands out that makes it different from other Kingdoms.
The three questions that must be asked when deciding what Kingdom an organism falls into are:
Is the organism a prokaryote or eukaryote?Does the organism have a cell wall?Does the organism have the ability to make its own food?The five Kingdom classification system is a widely used method of classifying organisms, which includes the following Kingdoms:
Monera: Prokaryotic organisms, cell walls made of peptidoglycan, ability to make own food through photosynthesis or chemosynthesis. Example: E. coliProtista: Eukaryotic organisms, mostly unicellular, can be autotrophic or heterotrophic. Example: AmoebaFungi: Eukaryotic organisms, heterotrophic, have cell walls made of chitin. Example: MushroomsPlantae: Eukaryotic organisms, autotrophic, have cell walls made of cellulose. Example: Oak treeAnimalia: Eukaryotic organisms, heterotrophic, no cell walls. Example: DogWhat is the kingdom about?One interesting fact about Kingdom Monera is that it includes both bacteria and archaea.
It should be noted that they are thought to have diverged early in the history of life on Earth and have distinct characteristics such as differences in cell wall composition, metabolic pathways, and genetic mechanisms.
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scids (severe combined immunodeficiency syndrome) is a disorder where a genetic mutation inhibits the production and functioning of t-cells. t-cells are special types of white blood cells that play a role in the body's immune response. a possible symptom of scids would be an increase in the
An increased propensity for infections such as ear infections, pneumonia or bronchitis, oral thrush, and diarrhoea are among the common signs and symptoms. Children with SCID do not grow or acquire weight in accordance with expectations because of recurring infections (failure to thrive).
What does SCID (severe combined immunodeficiency) mean?Several different genes involved in the growth and operation of infection-fighting immune cells are mutated in the severe combined immunodeficiency (SCID) disorder category of uncommon diseases. At birth, SCID babies seem to be in good health, yet they are prone to developing serious illnesses.
How many SCID patients survive?Infections commonly claim the lives of infants with SCID within the first two years of life if they are not treated. The chances of survival are very good with an early bone marrow transplant, regular follow-up, and timely treatment for infections.
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the oxygenic pathway was a significant achievement in life. the oxygen comes from the photosynthesis cycle. specifically what event in photosynthesis provides the oxygen?
Plants make energy during photosynthesis by utilising sunlight, water, and carbon dioxide. As a byproduct of this process, oxygen gas is released.
The oxygen in the air is produced by the catalytic centre of the multi-subunit enzyme photosystem II, which is responsible for the energy oxidation of water (PSII). Which of the following circumstances contributed to the emergence of oxygenic photosynthesis? Energy sources used by photosynthetic organisms initially included ATP and NADPH. Light energy is used in oxygenic photosynthesis to convert water (H2O) absorbed by plant roots into CO2 and generate carbohydrates. In this process, the water is "oxidised," or loses electrons, while the CO2 is "reduction," or gains electrons. Carbohydrates are generated along with oxygen. The evolution of molecular oxygen occurs in photosynthetic organisms photosynthetic systems as a result of the splitting of Oxygen molecules in PSII. The consumption of O2 molecules, on the other hand, results from their reduction.
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oxygen is a product of photosynthesis. the primary role of this oxygen in cellular respiration is to
In the electron transporter chain, oxygen is essential for cellular respiration. It is the last electron acceptor in the electron transport chain, allowing electrons to flow down the chain and produce ATP (adenosine triphosphate).
Oxygen is essential for energy generation via a system known as the electron transport chain (ETC), which is a component of cellular respiration. The electron transport chain generates adenosine triphosphate, the primary source of cellular energy.
After being stripped of glucose, high-energy electrons are accepted by oxygen. Cellular respiration achieves two key tasks: (1) it breaks down glucose into smaller molecules, and (2) it harvests and stores the chemical energy generated in ATP molecules.
The oxygen we breathe in is utilized to convert glucose into carbon dioxide and water.
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What cycle of matter does a hyena interact with the most
Hyenas interact with the water cycle of the ecosystem the most, as they need water for survival and for drinking purposes, and every organism that takes something from nature contributes.
What is the significance of the hyena?They are significant to the ecosystem as they maintain it by maintaining predator-prey relationships, they are also of great interest to the scientific community, where they are studied for their body mechanics, but they should be preserved as their population is going down.
Hence, hyenas interact with the water cycle of the ecosystem the most, as they need water for survival and for drinking purposes, and every organism that takes something from nature contributes.
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s it ever possible for an offspring to be born with blood type o if one of their parents was homozygous recessive for o and the other was homozygous for blood type a or b?
Yes, Thus there is a chance of one child with O blood group 1 out of 4.
What is meant by blood group?
The four main blood types (groups) are A, B, AB, and O. The genes you inherited from your parents define your blood type.There are a total of 8 blood types, each of which can be either RhD positive or RhD negative.One of the uncommon blood types is B negative (B -ve), which makes up 1.5% of the population.AB negative, or AB -ve, which makes up 0.6% of the population.AB positive (AB +ve), which affects 3.4% of the population as a whole.Only 1% of our donors have AB negative, the rarest of the eight major blood types. Despite being uncommon, there is little demand for AB negative blood, and donors are easy to come by.To learn more about blood group refer to
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27) what substance is secreted by the proximal-tubule cells and prevents the ph of urine from becoming too acidic? a) bicarbonate b) salt c) glucose d) ammonia e) naoh
Substance is secreted by the proximal-tubule cells and prevents the pH of urine from becoming too acidic Reabsorption of bicarbonate ion .
In general , After performing the filtration process at the glomerulus, when renal blood flow is transferred through a chain of peritubular capillaries, where transporters of the proximal tubules actively secrete the ureic toxins and harmful toxins in urine, it can also include protein-bound substances that cannot readily cross the membranes easily.
Hence , we can say that performing activity of carbonic anhydrase and II, the filtered bicarbonate also gets reabsorbed back into the blood via electromagnetic sodium bicarbonate cotransporter 1 with the collateral direction.
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as a group, living things must be able to do all of the following except
(a) make adjustments to nonliving factors around them
(b) maintain a steady internal environment
(c) respond to other organisms
(d) pass an identical genetic code to their offspring for many generations.
Living things do all of the following except make adjustment to non living factors around them
Make adjustment to non living factors around them ?Homeostasis, or the preservation of internal conditions, interacting with other organisms, and heredity, or the transmission of genetic information across generations, are traits shared by all living creatures, including both plants and animals.
However, while they can have an impact on non-living things surrounding them, organisms have no ability to change them.
What is organisms?An organism is a living being with unique qualities like the capacity to develop, reproduce, preserve homeostasis, react to stimuli, and digest food. Based on attributes including size, shape, and complexity, organisms can be divided into various groupings. Among the various types of life are bacteria, fungus, plants, and mammals. From high mountains to deep oceans, organisms can be found in a variety of habitats, and they are essential to preserving the ecosystem's equilibrium on Earth. Over time, organisms have evolved to better fit their surroundings and endure harsh situations. Organismal biology or organismic biology refers to the study of organisms.
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Regions that have similar climate characteristics can be widely spread apart, but typically have which of the following in common?Varying altitudes and similar precipitationCorresponding latitudes and continental locationsCorresponding temperature and wind patternsSimilar ocean currents and vegetation
before drawing the post-treatment blood urea nitrogen (bun) adequacy lab, adjustments to the dialysate flow rate (dfr) must include:
Before drawing the samples, lower the UFR, dialysate, and blood flow rates. Blood urea nitrogen (BUN) levels can be used to assess how successfully dialysis removes urea from the body.
The BUN is measured both before and after your treatment. The two figures are then compared to determine how much the urea level in the blood has decreased.
Many factors can influence dialysis adequacy, including the kind of vascular access, filter type, device used, and the dose and frequency of erythropoietin stimulating agents (ESA).
Blood for post-dialysis BUN is typically obtained in 3 or 5 ml tubes. The draw volume is approximately 2.5 or 4 ml. When drawing from the needle tubing, use the smaller tube since the blood sample will be restricted to what was "frozen" in the tubing when the pump was turned off.
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Which of the following statements about nucleosomes are correct? Choose all that apply. a. Degradation of linker DNA yields DNA fragments of about 200 bp. b. The histones H2A, H2B, H3, and H4 make up the nucleosome octamer that binds DNA. c. Most histones are small (less than 150 amino acid residues), basic proteins rich in Lys and kg.
d. Partial enzymatic digestion of chromatin results in DNA fragments of about 125 bp. e. DNA binding to histones has the same effect as positive supercoiling.
The core nucleosome performs a fundamental regulatory role, apart from the histone “tails,” which modulate gene activity(e).
What function do nucleosomes and histones play?As a result, the nucleosome not only acts as a generic gene repressor, but also as a repressor of all transcription (genic, intragenic, and intergenic). Apart from the histone “tails,” which control gene activity, the core nucleosome plays a critical regulatory role. Each nucleosome is made up of an octamer core comprising histones H2A, H2B, H3 and H4 (or additional histone variations in certain situations) and a DNA segment that wraps around the histone core.
The nucleosome is a basic repetition of chromatin made up of 147bp of DNA wrapped around a histone octamer made up of one H3-H4 tetramer and two H2A-H2B dimers. Histones undergo post-translational modification.
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PLSS ANSWER BY 4 HOURS THIS IS SERIOUS!
Describe in detail how your arm lifts a weight (biceps). Describe how it throws a ball (triceps). Explain why your muscles have a balance of fast and slow twitch fibers (strength vs. endurance). Explain how the length of the arm bones affects arm strength
The triceps/biceps, hamstrings, and chest muscles have more fast-twitch fibres. However, whereas quadriceps and back muscles frequently exhibit a mix, shoulders, forearms, and calves are more slow-twitch.
What is twitch?One muscle fibre contracts during a twitch in response to a nervous system order (stimulus).
The lag phase refers to the interval between a motor neuron's activation and the onset of muscle contraction (sometimes called the latent phase).
Energy is used by slow-twitch muscles gradually and reasonably evenly, which prolongs its duration.
This enables them to work for an extended period of time without running out of energy. Fast-twitch muscles burn up a lot of energy rapidly before becoming exhausted and in need of a rest.
There are more fast-twitch fibres in the triceps/biceps, hamstrings, and chest muscles. However, shoulders, forearms, and calves are more slow-twitch, but quadriceps and back muscles typically display a mix.
Thus, this way, muscles have a balance of fast and slow twitch fibers.
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Please help!! if you don't know the answer then don't answer!! will report your answer if it is childish! dead serious...
some scientists claim that humans are responsible for the increase of co2 in the atmosphere. evaluate which system the increased co2 levels are likely to affect, and predict the effects of increasing atmospheric co2 on natural and agricultural ecosystems.
grading:
* the student explains the result of elevated co2 levels on the process it would affect most, either cellular respiration or photosynthesis. (2 points)
* the student explains the possible effect of increasing atmospheric carbon dioxide on ecosystems. (2 points)
The increase of CO2 in the atmosphere is likely to affect the process of photosynthesis. Photosynthesis is the process by which plants, algae, and some bacteria use energy from sunlight to convert CO2 and water into glucose and oxygen.
Elevated levels of Carbon diaoxide can increase the rate of photosynthesis, leading to faster growth and increased biomass in plants. However, the long-term effects of increasing atmospheric CO2 on natural and agricultural ecosystems are complex and can have both positive and negative consequences. Positive effects include: Increased growth and productivity of crops and other plants, leading to higher yields and Increased water use efficiency in plants, which could lead to better crop growth in dry regions Negative effects include: Changes in the distribution and abundance of plant and animal species, Increased competition for resources among plants and animals changes in the timing of life cycle events (such as flowering and migration)Overall, the impacts of increasing atmospheric CO2 on natural and agricultural ecosystems are complex and multifaceted, and more research is needed to fully understand the potential consequences.
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if, in this model, the worm absorbs a sufficient amount of oxygen, are there any reasons why natural selection may prevent worms from growing arbitrarily large? explain.
Natural selection may prevent worms from growing arbitrarily large because Darwin’s theory of natural selection had three essential ingredients: variation, inheritance, and selection.
Only those who survive and reproduce will give rise to new variation, and survival and reproduction are determined by interactions with the environment. Given differences in fitness, “sieving” will tend to be non-random.
Given “limitless” variation, prevailing or recurring circumstances can make for accumulation of useful structure. This dependence on environment is what makes for claims about the powers of natural selection (force). An important underlying assumption is that a particular structure is not equally close to any other structure from a developmental point of view.
A mutation yielding an individual of the trait type Tn might be more probable with a Tn-1-parent than with a Tn-2-parent.v So, if the environment is such that Tn-1 replaces Tn-2, this increases the probability of a mutation producing Tn.
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Which of the following glands can be observed on the ventral surface of the sheep brain? View Available Hint(s) Pineal gland Olfactory bulb Pituitary gland Mammillary body
Pituitary gland can be observed on the ventral surface of the sheep brain.
What is the pituitary gland?Through the hormones it produces, the pituitary gland, also known as the master gland, controls and regulates a variety of biological processes, including: Growth and sexual/reproductive development and function. When one or more of the pituitary hormones are insufficient, this condition is known as hypopituitarism. Your body's regular processes, like development, blood pressure, or reproduction, may be impacted by these hormone deficits. The specific hormone or hormones you are missing will usually affect your symptoms. The pituitary gland is referred to as the endocrine system's master gland.This is due to the fact that it regulates numerous other hormone glands within the body.To learn more about pituitary gland, refer:
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Pure liquid water has a pH of_______
O A. 8
OB. 9
O C. 7
O D. 6
Answer: C. 7
Explanation:
Answer:
Pure liquid water has a pH of 7
Explanation:
Hope I help you)
Which of the following statements is supported by the trophic relationships shown in the diagram?Fishes eat elephant seals.Copepods eat krill.Leopard seals eat elephant seals.Squids eat fishes.
Squids eat fishes statements is supported by the trophic relationships.
As a predator, the enormous squid swoops down into the murky ocean depths in search of prey.
Since the enormous squid displayed at Te Papa was caught on a toothfish longline and was still linked to the fish it had been eating, we are aware that toothfish are a common meal for colossal squid. Squid injury is frequently visible in toothfish taken on longlines. The giant squid is obviously a skilled hunter, especially at night. Adult toothfish can grow to be up to two meters long. The enormous squid lowers its arms and tentacles as it lunges forward to capture its food, propelling itself with its enormous fins.
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