A variety of American warbler species frequently coexist on the same spruce trees and feed on caterpillars. But each species has a somewhat varied reproductive season, and each species prefers various parts of the forest canopy to graze in. These differences in foraging behaviors and reproduction is an example of (b) character displacement.
Character displacement refers to an evolutionary shift that happens when two closely related species coexist in the same habitat. Natural selection is more likely to encourage divergence in an organism's morphology, ecology, behavior, or physiology under such circumstances.
Character displacement is a sort of coevolution that occurs when two or more competing species develop in reaction to one another. A group of coexisting finches, for instance, had drastically diverse body and beak proportions as well as beak morphologies in the Galapagos Islands.
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What is the meaning of life?
Answer:
The definition is: the quality that distinguishes a vital and functional being from a dead body
The meaning of life, our purpose on earth, is to do good and be good so that one day we can be in eternal happiness in Heaven.
What is the transparent front part of the eye that covers the iris, pupil, and anterior chamber?.
Answer: The cornea.
Explanation:
What is the transparent front part of the eye that covers the iris, pupil, and anterior chamber?.
The cornea is the right answer which is the transparent front part of the eye that covers the iris, pupil, and anterior chamber
The transparent part that covers the iris and pupil and allows light to enter. Zoom in. Anatomy of the eye showing the outside and inside of the eye, including the eyelid, pupil, sclera, iris, cornea, lens, ciliary body, retina, choroid, vitreous humor, and optic nerve. Important functions of the cornea of the eye include protecting the structures inside the eye, contributing to the refractive power of the eye, and focusing light rays onto the retina with minimal scattering and optical degradation. This is a transparent tissue that protects the inside of the eye and focuses light towards the lens and retina of the eye. Without focus, light passes through the front of the eye and cannot reach the retina properly. The result is blurred vision.
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Where did information processing become increasingly centered in terrestrial vertebrates?.
The forebrain is the part of the brain where information processing is increasingly concentrated in terrestrial vertebrates.
The forebrain, also called the forebrain, a region of the developing vertebrate brain. It includes the telencephalon, which contains the cerebral hemispheres, and the underlying diencephalon, which contains the thalamus, hypothalamus, thalamus, and hypothalamus. The forebrain is responsible for a variety of functions, including receiving and processing sensory information, thinking, sensing, generating and understanding language, and controlling motor functions. The two major divisions of the forebrain are the diencephalon and telencephalon. The forebrain is the largest part of the brain. It is divided into three main parts: the cerebrum, thalamus, and hypothalamus. In vertebrate brain anatomy, the forebrain or forebrain is the rostral (frontmost) part of the brain.
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Explain how salinity and temperature affect water density in the ocean
Answer:
As the temperature of water increases, it expands and becomes less dense. This means that warm water is less dense than cold water. On the other hand, as the salinity of water increases, the concentration of dissolved salts in the water increases. This makes the water more dense. So, if the temperature and salinity of the water are the same, the water will have the same density. However, if the temperature or salinity of the water changes, the density of the water will also change.
Which of the following statements is/are true based upon the diagram shown below?
a.Figure A represents Gradualism while Figure B represents Punctuated Equilibrium.
b.Figure A represents Punctuated Equilibrium while Figure B represents Gradualism.
c.Figure A displays an organism that has undergone a rapid burst of speciation followed by a long period of time in which it has remained unchanged.
d.Figure B displays an organism that has undergone rapid bursts of geographic isolation followed by long periods of stability.
The statement b. Figure A represents Punctuated Equilibrium while Figure B represents Gradualism is true based upon the diagram.
What are Punctuated Equilibrium and Gradualism evolutionary phenomena?Punctuated Equilibrium is a process that leads to sudden changes in the phenotype in order to fit environmental conditions, while Gradualism can be defined as a gradually progressive process of change of traits in a species.
Therefore, with this data, we can see that Punctuated Equilibrium and Gradualism are distinct evolutionary adaptive phenomena in terms of how the phenotypic change is produced in the population and or species.
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Which is strong evidence that similar traits in different evolutionary lineages are the result of homology and not homoplasy?.
Answer:
Hope this helps!
Explanation:
Which is strong evidence that similar traits in different evolutionary lineages are the result of homology and not homoplasy? The traits are also found in many intervening lineages on the tree of life. If intervening lineages also share the trait, it was most likely inherited from the same common ancestor.
In a section through a plant, a student found a group of long, microscopic structures. The structures lacked end walls, cytoplasm and nuclei.
Which identification and reason best matches the student’s observations?
Answer:
answer is D
Explanation:
cells synthesize a variety of complex molecules to include proteins, nucleic acids, lipids and carbohydrates. a large majority of the molecules that cells make are proteins. which three organelles are most involved in synthesizing proteins?
The nucleus is one of the organelles involved in protein synthesis Ribosomes, Endocytic reticulum in rough (RER).
What is required for the production of proteins?The presence of various necessary components, such as an abundance of the 20 amino acids that make up the majority of proteins, is necessary for protein synthesis to take place. A group of enzymes that will participate in the process are another crucial element. Both DNA and ribonucleic acid (RNA), another type of nucleic acid, are necessary for life.
What is the primary mechanism behind protein synthesis?ATP serves as the energy currency for all internal cellular operations, including protein synthesis. Cellular respiration generates ATP, which serves as cellular energy.
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The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or.
The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or monohybrids.
True-breeding is the phenomenon where the parents transfer the similar characters they have to their offspring. This must be carried out for generations in order to be called true-breeding. True-breeding organisms are homozygous in their characters.
Monohybrids are the organisms that differ from each other by considering only a single character. For example if a plant is tall and the other is dwarf, then the two plant organisms are monohybrids. Two parent with monohybrid cross generally give rise to a offspring that is heterozygous for the trait.
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upon reaching what point in the nephron is reabsorption (1) dependent upon the body's needs at the time and (2) regulated by hormones?
The distal convoluted tubule hrlps in reabsorption in the nephron depending upon body need and at the time regulated by hormone.
Reabsorption takes place from the filtrate throughout the tubular lumen of the nephron and into the blood of the peritubular capillaries.
The distal convoluted tubule and accumulating ducts are then in large part chargeable for reabsorbing water as required to supply urine at a awareness that continues frame fluid homeostasis. Distal convoluted tubule (DCT) reabsorption simplest takes place beneathneath the impact of hormonal regulation.
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why does hormone 1 influence the action of gland a but not gland B or C
Answer:
Every activity in gland A is different from the activities in glands B and C.
The cells of glands B and C contain different receptors than the cells of gland A.
Each gland contains cells that have different base sequences in their DNA.
Explanation:
Please give the brainliest.
(b) A girl has blue eyes. Explain what her genotype must be.
what environmental problem is being addressed by the use of bio swales, large vegetated ditches or depressions, on the campus of georgia southern university?
The environmental problem is being addressed by the use of bioswales, large vegetated ditches or depressions is the pollution of streams by oily runoff water from parking lots.
Due to the advantages that bioswales provide for communities and other settings, they are a landscape component that are receiving more and more attention recently. The "bio" in "bioswale" refers to the usage of what is referred to as a swaled drainage course, which is created with sloped sides and often filled with plants, compost, and other biological elements.
Together, these drainage components produce a setting where water will spend a considerable length of time, removing contaminants and silt. A town or area can profit from the self-sustaining draining and pollution removal mechanism created by the water for years to come. The water also helps to keep any vegetation or compost fresh.
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route blood takes from heart to lungs via pulmonary artery and back to heart via pulmonary vein
Blood comes into the right atrium from the body, enters to the right ventricle and is pushed into the pulmonary arteries in the lungs.
Oxygenated blood after picking up oxygen, its travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle and out to the body's tissues through the aorta.
Pulmonary artery is the biggest artery that comes from the heart. It also gets splits into two main branches, and brings blood from the heart to the lungs. At the place in lungs, the blood picks up oxygen and drops off carbon dioxide. The blood then returns back to the heart through the pulmonary veins. Blood passes through the aortic valve into the left aorta to be distributed through the body.
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If a scientist wanted to determine if a forest environment had been polluted, which of the following groups of organisms typically would be the BEST indicator for the presence of pollutants?fishbirdsmammalsamphibiansinsects
there are a large number of antibiotics that inhibit protein synthesis at 70s ribosomes found in bacterial cells but do not interfere with protein synthesis at the 80s ribosomes found in eukaryotic cells. some of these antibiotics bind to the smaller ribosomal subunit and interfere with the reading of the mrna code, whereas others bind to the large ribosomal subunit and inhibit the formation of peptide bonds. unfortunately, some of the antibiotics that inhibit protein synthesis in bacteria exhibit some toxicity to the eukaryotic host cells as well. what is the most likely reason for this toxicity to the host cell?
The most likely reason for the toxicity of certain antibiotics to the eukaryotic host cells is due to the fact that these antibiotics are not completely selective in their inhibition of protein synthesis.
These antibiotics may be effective in inhibiting protein synthesis at the 70's ribosomes found in bacterial cells, but may also tend to inhibit protein synthesis at the 80's ribosomes found in eukaryotic cells. not. This is because the 80's ribosomes found in eukaryotic cells are structurally so similar to the 70's ribosomes found in bacterial cells that antibiotics may not be able to distinguish the two. is. As a result, the antibiotic is able to bind to both 70's and 80's ribosomes, thereby inhibiting protein synthesis in both bacterial and eukaryotic cells.
This inhibition of protein synthesis in eukaryotic cells can result in toxicity to the host cell as the production of proteins required for normal cell function is inhibited. This can disrupt normal cellular processes, resulting in cell death and other adverse effects. To reduce the toxicity of a particular antibiotic to eukaryotic host cells, it is important to ensure that the antibiotic is selective in inhibiting protein synthesis.
This is accomplished either by designing antibiotics to target specific regions of the ribosome or by introducing chemical modifications into antibiotics that block their ability to interact with the 80's ribosomes found in eukaryotic cells. I can do it. By ensuring that the antibiotic only interacts with the 70's ribosomes found in bacterial cells, potential toxicity to host cells can be minimized.
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The current decline of amphibian populations worldwide has been linked to a ________ fungus.
Answer:
Chytrid Fungus
Explanation:
The Chytrid fungus Btrachochytrium dendrobatidis was identified in amphibian populations about 20 years ago, and has caused death and species extinction at a global scale
Answer:
Chytrid
Explanation:
Hope This Helps!!!!
The [chytridiomycosis panzootic] really happened fast and had significant impact in terms of the total number of species affected and it has had a lasting impact,” said Kelly Zamudio, the Goldwin Smith Professor of Ecology and Evolutionary Biology at Cornell, an expert on frogs of the Americas and the frog-killing chytrid fungus, and a co-author of the paper.
Though there is no treatment for chytridiomycosis, the international team of amphibian experts – led by first author Ben Scheele, an ecologist at the Australian National University – advocate for better biosecurity and reductions in wildlife trade to limit its spread.
The infection is primarily caused by Batrachochytrium dendrobatidis (Bd), a fungus discovered in 1998 that originated in Asia, according to genetic analysis. Decades prior to its discovery, the disease peaked globally in the 1980s, with a smaller peak in the early 2000s. Minimal losses from chytridiomycosis were reported in Asia, Africa, Europe and North America. A related pathogen – B. salamandrivorans, discovered in 2013 – has infected salamanders and newts of Europe and threatens diverse Salamander species if it were to arrive in North America.
While 192 species that have declined due to Bd continue to lose numbers, about 60 species have shown modest signs of recovery. However, those recoveries have occurred in isolated populations, rather than on a species level.
For a cell with diploid number of 6, how many sister chromatids are present at prophase?
the correct answer is 12
what are the allele combinations in the potential gametes that can be produced by a parent with the ffee genotype?
Predicting a child's genotype. Find every conceivable allele combination for each parent in the gametes.
The dominant S and the dominant Y alleles are received by half of the gametes, and the recessive S and recessive Y alleles are received by the other half. 25% of SY, Sy, sY, and sy are each produced by each parent.
For the parent AaBb, there are four different gamete combinations that are feasible. The dominant A and the dominant B alleles are present in half of the gametes, whereas the recessive A and the recessive B alleles are present in the other half. 25% of AB, Ab, aB, and ab are each produced by each parent.
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what is the name of the concept that, as a species, we must find a way to advance our survival and welfare without doing lasting damage to our environment?
Sustainable development is the name of the concept that, as a species, we must find a way to advance our survival and welfare without doing lasting damage to our environment.
Sustainable development is method when human societies meet their needs without compromising the strength of future generations to fulfill their needs.
Sustainability tells the needs of current generations without compromising the needs of future generations, they also ensure balance between economic growth, environmental and social well-being. Sustainable development always boost to conserve and enhance our resources.
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un-embalmed bodies are more difficult to casket because of question 19 options: a) damp, sticky skin b) loose floppy limbs c) seepage of fluids d) odor of the obdy
The loose, floppy limbs of un-embalmed bodies make casketing them more challenging.
Which one of these is a part of the direct cremation package?This package includes the fundamental assistance of the funeral director and staff, the conveyance of the body to the funeral home, a different cremation container, a basic cremation urn, and the cremation fee.
Are mouths stitched shut by morticians?No glue or stitching is used to close the lips or eyes. An "eye cap" is positioned above and beneath each eyeball during the embalming procedure. The eye cap aids in maintaining the shape of the eye even though the actual eyes may gradually become a little softer. For the lips to stay together, a cream resembling Vaseline is applied.
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streptomycin is a broad-spectrum antibiotic that binds to ribosomes. which bacterial process does streptomycin inhibit?
This substance thereby disrupts the formation of the initiation complex between mRNA and the bacterial ribosome, preventing the start of protein synthesis.
Which microorganisms is streptomycin effective against?A monosubstituted aminocyclitol with a disaccharide connected makes up the pseudotrisaccharide streptomycin. 9–11 Streptomycin, in contrast to penicillin, inhibited both Gram-positive and Gram-negative bacteria as well as Mycobacterium tuberculosis.
Who or what does streptomycin combat?The first aminoglycoside antibiotic, streptomycin, was first isolated from the bacteria Streptomyces griseus. It now primarily functions as a component of a multi-drug regimen used to treat pulmonary tuberculosis. Multiple aerobic gram-negative bacteria are also susceptible to its extra activity.
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in gene expression in eukaryotes, the primary transcript is transported unchanged directly to the cytoplasm and is ready for translation. t or f
False, in gene expression in eukaryotes, the primary transcript is transported unchanged directly to the cytoplasm and is not ready for translation.
A gene is the fundamental physical and purposeful unit of heredity. Some genes act as instructions to make molecules referred to as proteins. but, many genes do now not code for proteins.
Our genes incorporate instructions that inform your cells to make molecules referred to as proteins. Proteins perform various features on our body to keep us healthy. Every gene includes commands that determine your functions, together with eye color, hair shade, and height.
Few genes act as commands to make molecules referred to as proteins. In human beings, genes vary in length from a few hundred DNA bases to extra than 2 million bases.
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A student is going to be diving to collect shells. The instructor tells him to exhale as much as possible and then take a breath of air before he dives.
How would this help the student stay underwater for a longer period of time?
Answer: It decreases CO2
Explanation:
Answer:
Practice deep breathing. Before holding your breath, inhale and exhale slowly from deep within your diaphragm. By doing this, you're ridding your lungs of low-quality air.[1] Spend five seconds breathing in, then hold the breath for one second, before breathing out for ten seconds. Continue deep breathing for two minutes, and be sure that when you exhale, you push out every last "drop" of air.
Explanation:
The hyperventilation reduces the body's carbon dioxide content but does not affect oxygen content much, but the Fio2 of 100 kPa considerably increases the total oxygen content. Hyperventilation before diving enables breath hold divers to stay down longer but is very dangerous.
estella spilled tomato sauce on her shirt. when she washed her shirt, she noticed that the detergent she used contained enzymes. enzymes are added to detergents to break down proteins from food and other substances that may stain clothing. which would most likely inhibit the ability of the enzymes to remove the stain on her shirt? responses the amount of dissolved minerals in the water the amount of dissolved minerals in the water the type of fibers from which her shirt was made the type of fibers from which her shirt was made the temperature of the water the temperature of the water the fragrances in the detergent
That would most likely inhibit the enzyme's ability to remove stains on shirts is the temperature of the water. The workability of chemicals will by and large diminish when over a certain temperature since certain temperatures will disturb hydrogen bonds, particles, and different other bonds that exist. This prepare is called denaturation.
Why does an enzyme cease to function when it has become denatured?Denaturation changes the three-dimensional shape of the dynamic location of the protein, avoiding it from official to the substrate. Denaturation of chemicals causes bonds to be broken, structure to be disturbed and it stops working. This happens to chemicals when they are uncovered to extraordinary, unacceptable conditions, for occurrence, high temperatures or extraordinary pH levels.The complete atom and the dynamic location alter their shape, so that the substrate fits not and the chemical can not catalyze the response.
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What kind of mutation might result in a the formation of the codon tga along the coding strand of dna?.
Nonsense mutation is the result in the the formation of the codon tga along with the coding strand of that dna
In genetics, a nonsense mutation is a point mutation in a sequence of DNA that results in a premature stop codon, or a nonsense codon in the transcribed mRNA, and in leading to a truncated, incomplete, and usually nonfunctional protein product A nonsense mutation occurs in DNA when a sequence change gives rise to a stop codon rather than a codon specifying an amino acid. The presence of the new stop codon results in the production of a shortened protein that is likely non-functional. This change at the genotypic level changed the amino acid coded (arginine to aspartate) and also changed the nature of amino acids (basic to acidic). This will change the protein coded for and the protein function. Change from ABC to ACC: ACC coding for stop codon/nonsense codon. This is called a nonsense mutation
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Label this diagram ASAP pls!
The diagram given here shows the enzyme substrate reaction where, a is the substrate, b is the active site of enzyme, c is the enzyme and d is the product.
What is enzyme- substrate theory?By accelerating the rate of a chemical reaction, an enzyme is a globular protein that functions as a biological catalyst.Enzymes can be reused because the reactions they catalyze do not alter or consume them.Enzymes often have names that end in "-ase" and are named after the molecules they react with (referred to as the substrate).The enzyme lipase, for instance, breaks down lipids.The portion of the enzyme's surface that interacts with the substrate molecule is known as the active site.The form and chemical features of the substrate and active site complement one another.Therefore, only a particular substrate can bind to the active site of a given enzyme.For more information on enzymes- substrate theory kindly visit to
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What forces the blood to circulate through vessels in a closed circulatory system?
a.
the notochord
b.
the nerve cord
c.
the cranium
d.
the heart
Answer:
a.
Explanation:
Answer:
the heart, i took the quiz
The ability to roll the tongue i thought to be controlled by a dominant allele (R). What percent of offpring from two heterozygou (Rr) parent are mot likely to have the tongue-rolling trait?
A
25%
B
50%
C
75%
D
100%
The probability of offspring to have allele for tongue-rolling trait is 0%
The genotype that will be affected will be homozygous recessive (rr).Because they lack the dominant allele, the youngster will therefore be unable to roll their tongue. Therefore, there is no chance that kids will exhibit the tongue-rolling personality.
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