Answer:
A. an increase in genetic diversity
Explanation:
Genetic diversity is the degree of gene variety within a single species (animal or plant). It corresponds to the total number of genetic characteristics in the genetic composition of species or subspecies. Genetic diversity is one of the main aspects of our planet's biodiversity, such as populations and ecosystems.
In the case of Siamese cats, genetic diversity has caused some lineages to change their appearance from classic to modern. This occurred by crossing Siamese cats with cats of other breeds, creating a wide genetic variety that resulted in the change in appearance of these cats.
Answer:
D. artificial selection
Explanation:
I did it and got it right .
how does rock particles exist in clouds
Salt is in rocks which goes into the sea and it evaporates
Match the characteristics to the correct phylum
The following are the characteristics of Cnidaria:
1. The organisms have specialized stinging cells known as cnidocytes.
2. Two types of body plans exist, that is, polyp and medusa.
3. The phenomenon of alternation of generation is observed.
The following are the characteristics of Porifera:
1. The organisms lack symmetry.
2. The adult forms are sessile.
3. The organisms obtain food by filtering water.
Though some bacteria cause disease and illness in humans, the majority are harmless. Some bacteria are used to aid digestion, used in preparation of certain foods, used to battle infections or used by industry. Bacteria have many important roles in nature. All BUT ONE is a role of bacteria out in the world around us.
A) Some bacteria increase the soil fertility.
B) Bacteria carry out 60% of total nitrogen fixation in natural ecosystems.
C) Bacteria are responsible for converting sunlight into usable chemical energy.
D) Bacteria decompose organic matter, by decay and putrefaction, to keep our earth clean.
which is most likely a cancer treatment
I think it is the last choice that you put down. hopefully that helps.
Cancer treatments include surgery, chemotherapy, and radiation therapy, as well as newer methods like immunotherapy and targeted therapy, chosen based on the type and stage of cancer.
Cancer treatments can be used alone or combined to increase the chances of removing or destroying cancer cells. Some newer forms of treatment, such as immunotherapy and targeted therapy, focus on using the body's immune system or targeting specific aspects of cancer cells to fight the disease. The choice of treatment varies based on the cancer's type and stage, and the goal is to eradicate cancer cells while minimizing damage to healthy tissue.
What is the correct sequence in protein synthesis.
Step 1
Copy of one side of DNA strand is made (called mRNA, messenger RNA)
Step 2
mRNA moves to cytoplasm, then ribosome
Step 3
mRNA goes through ribosome 3 bases at a time
Step 4
transfer RNA (tRNA) matches up with the open DNA bases
Step 5
tRNA releases the amino acid at the top, which joins the chain of amino acids being produced
Answer:
The correct answer is: C) 2, 4, 1, 3, 5.
Explanation:
Translation is the name of the process in which proteins are synthesized. For it to be possible, translation requires 1 mRNA molecule, tRNA molecules, and 1 ribosome (that is also made of RNA).
First, the mRNA (messenger RNA) is synthesized in the nucleus by using a DNA sequence as a template. This is how DNA is involved in protein synthesis. Now, this mRNA molecule, binds to a ribosome - which is a structure made of two subunits composed of rRNA. The mRNA sequence is read by the small subunit of the ribosome, while the large subunit binds to the tRNA (transfer RNA). Each tRNA molecule is specific for one of the 20 possible amino acids. For each group of 3 nucleotides (codon) in the mRNA, there's an anticodon provided by the tRNA molecule - this is how the mRNA sequence is read and translated into a protein. Once assembled the ribosome, the mRNA and tRNA, the amino acids carried by the tRNA will bond with one another and form a polypeptide. This process repeats itself until a stop codon in the mRNA appears and signals the end of the translation. When translation ends, the protein is complete, so the ribosome releases both the mRNA and the polypeptide.
A group of biologists found a total of 28 loggerhead turtle nests along a beach during a certain season. This was 40% of the total of bests the group found during that season. What was the total number of nests the group found during that season?
Let the Total Number of Nests the Group found in the Season be : N
Given : 40% of the Total Nests the Group found in the Season = 28
[tex]\mathsf{\implies 40\% \;of\;Total\;Nests(N) = 28}[/tex]
[tex]\mathsf{\implies (\frac{40}{100} \times N) = 28}[/tex]
[tex]\mathsf{\implies (\frac{4}{10} \times N) = 28}[/tex]
[tex]\mathsf{\implies N = (\frac{28 \times 10}{4})}[/tex]
[tex]\mathsf{\implies N = (7 \times 10)}[/tex]
[tex]\mathsf{\implies N = 70}[/tex]
The Total Number of Nests the Group found during that Season : 70
which characteristic is shared by all arthopods
All arthropods have Exoskeletons
Hope it helps!
they have exoskeletons and are alive, good luck!
What happens to the oxygen released during photosynthesis ?
Answer:
The correct option is A. The oxygen atoms diffuse through the atmosphere and are inhaled by animals.
Explanation:
Photosynthesis can be described as a process in which plants use the light from sun to convert carbon dioxide and water into glucose. Oxygen is made as a by-product of this reaction. This oxygen is released into the atmosphere by the plants through the mechanism of diffusion.
The oxygen released into the atmosphere is taken up by animals. Animals utilize this oxygen for the process of respiration.
The process of respiration and photosynthesis are opposite to each other.
The oxygen released during photosynthesis is given off into the atmosphere and is available for respiration by many organisms, including humans. It plays a vital role in maintaining the balance of gases in the earth's atmosphere and is essential to the oxygen-carbon dioxide cycle.
Explanation:During the process of photosynthesis, plants use sunlight, water, and carbon dioxide to produce glucose and oxygen. The oxygen produced as a byproduct is released into the atmosphere, which makes it available for organisms, including humans, to breathe.
Oxygen released during photosynthesis plays a vital role in supporting life on earth. Not only does it provide a critical element needed for respiration, it also helps to maintain the balance of gases in the earth's atmosphere.
For example, when humans and animals inhale, they take in oxygen and exhale carbon dioxide. The carbon dioxide is then used by plants during photosynthesis, effectively completing the oxygen-carbon dioxide cycle.
Learn more about photosynthesis here:https://brainly.com/question/29764662
#SPJ6
1. A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is .35.
a. What is the frequency of heterozygous rabbits?
b. What is the frequency of the B allele?
c. What is the frequency of the b allele?
2. Scale coloration of lizards has a complete dominance relationship where green scales are dominant over blue scales. There are 1,024 individuals with the genotype GG, 512 individuals with the genotype Gg, and 64 individuals with the genotype gg.
a. What is the predicted frequency of heterozygotes?
b. What is the predicted frequency of homozygous dominant?
c. What is the predicted frequency of homozygous recessive?
3. The next generation of lizards has 1092 individuals with green scales and 108 individuals with blue scales. Is the population in Hardy-Weinberg Equilibrium? Solve for p and q.
4. A population of 10,000 humans has 6840 individuals with the blood type AA, 2860 individuals with blood type AB and 300 individuals with the blood type BB.
a. What is the frequency of each genotype in this population? AA= AB= BB=
b. What is the frequency of the A allele?
c. What is the frequency of the B allele?
d. If the next generation contained 25,000 individuals, how many individuals would have blood type BB, assuming the population is in Hardy-Weinberg equilibrium?
5. A population of birds contains 16 animals with red tail feathers and 34 animals with blue tail feathers. Blue tail feathers are the dominant trait.
a. What is the frequency of the red allele?
b. What is the frequency of the blue allele?
c. What is the frequency of heterozygotes?
d. What is the frequency of birds homozygous for the blue allele?
6. Petal coloration of pea plants has a complete dominance relationship where purple petals are dominant over white petals. There are 276 plants, 273 have purple petals.
a. What is the predicted frequency of heterozygotes?
b. What is the predicted frequency of homozygous dominant?
c. What is the predicted frequency of homozygous recessive?
7. The next generation of pea plants has 552 plants, 546 have purple petals. Is the population in Hardy-Weinberg Equilibrium? Solve for p and q.
8. Brown hair (B) is dominant to blond hair (b). If there are 168 brown haired people in a population of 200:
a. What is the predicted frequency of heterozygotes?
b. What is the predicted frequency of homozygous dominant?
c. What is the predicted frequency of homozygous recessive?
9. Sickle-cell anemia is genetic disease where normal homozygous individuals (SS) for the gene have normal blood cells that are easily infected with the malarial parasite. Individuals homozygous for the sickle-cell trait (ss) have red blood cells that easily collapse when deoxygenated, which blocks malaria, but individuals often die because of the genetic defect. However, individuals with the heterozygous condition (Ss) have some sickling of red blood cells so the malaria cannot survive well within these "partially defective" red blood cells. Thus, heterozygotes tend to survive better than either of the homozygous conditions. If 9% of an African population is born with the severe form of sickle-cell anemia (ss), what percentage of the population will be more resistant to malaria because they are heterozygous (Ss) for the sickle-cell gene?
10. The trait for 'male-pattern baldness' is a recessive trait encoded for by "b". Non-balding is encoded for by a dominant allele encoded for by the letter "B". A street survey conducted by Hair Club for Men found that out of 1000 men, 360 had male pattern baldness, the other 480 who did not and were heterozygous, and 160 who did not and were homozygous for a full head of hair.
a. What are the phenotype ratios?
b. Using this information find the allele frequencies for B and b.
c. What are the expected genotype frequencies?
The frequency of the heterozygous rabbits is 0.65. The frequency of the B allele is 0.675. The frequency of the b allele is 0.325.
Explanation:a. The frequency of heterozygous rabbits can be calculated by subtracting the frequency of the homozygous dominant genotype (BB) from 1. Since the frequency of the BB genotype is 0.35, the frequency of heterozygous rabbits is 1 - 0.35 = 0.65.
b. The frequency of the B allele can be calculated by adding half of the frequency of the heterozygous genotype (Bb) to the frequency of the homozygous dominant genotype (BB). Since the frequency of the BB genotype is 0.35 and the frequency of the Bb genotype is half of the frequency of heterozygous rabbits (0.65/2 = 0.325), the frequency of the B allele is 0.35 + 0.325 = 0.675.
c. The frequency of the b allele can be calculated by subtracting the frequency of the B allele from 1. Since the frequency of the B allele is 0.675, the frequency of the b allele is 1 - 0.675 = 0.325.
Learn more about Genotype frequencies here:https://brainly.com/question/30264293
#SPJ1
The Hardy-Weinberg equilibrium and its principals can be used to answer all the genetics-related questions about rabbits, lizards, humans and more. The frequency of genotypes can be calculated by dividing the population of each genotype by the total population size. To determine if populations are in Hardy-Weinberg equilibrium, we need to compare observed frequencies with predicted frequencies and see if they match.
Explanation:In answering your questions, it is crucial to understand the Hardy-Weinberg equilibrium and its equation p^2 + 2pq + q^2 = 1.
For your first questions, without further information, it is impossible to accurately determine the frequency of heterozygous rabbits (Bb) or the frequencies of the alleles (B and b). However, you can generally calculate the frequency of the b allele from the frequency of bb rabbits and the B allele frequency from the overall allele total.
For the lizard question, the frequency of genotypes would be calculated by dividing the number of each genotype by the total population size. The Hardy-Weinberg equilibrium isn't necessarily maintained because drift and selection could have occurred in the population. We would need to analyze if the frequencies of the genotypes match the predicted frequencies based on the allele frequencies: p^2, 2pq, and q^2.
In relation to the human blood type question, the same calculation applies as for the lizard, by dividing the population of each genotype by the total population size. However, in predicting the new generation under the Hardy-Weinberg equilibrium, we would need to make some assumptions like infinitely large population size, random mating, no mutation, no migration, and no selection, which are not likely to be true in a real population.
For the birds, it seems that you might have gotten the dominance relationships reversed. In this case the frequency of each allele could be determined by finding the frequency of the recessive phenotype (assuming it is homozygous) then taking the square root (getting q), and p = 1 - q. However, the frequencies of the genotypes isn't straightforward because dominance doesn't tell you anything about the heterozygotes.
For your final question, if 9% of an African population is born with the severe form of sickle-cell anemia (ss), this means that q^2 = 0.09 and q = 0.3. Using this, p can be solved as 1 - q = 0.7, and 2pq gives the estimated proportion of heterozygous individuals in the population.
Learn more about Hardy-Weinberg Equilibrium here:https://brainly.com/question/16823644
#SPJ12
What organ is found in mammals?
A) Lungs
B) Gills
C) both gills and lungs
D) Neither gills nor lungs
Answer:
lung
Explanation:
gills for fish
A plant can produce either purple flowers or white flowers what is the probability of purple flowered off spring if two plants that are heterozygous for purple flowers are crossed
3/4 I do believe. Hopefully I helped. ;)
when is adaptive radiation most likely to occur and for what reason
a- after a mass extinction , because the survivors give rise to species that fill new inches
b- just before a mass extinction , because species are competing intensely for limited resources
c- when the climate is warmest,because high temperatures act to increase the rate of evolutionary change
d- when the climate is stable , because a stable environment tends to decrease the rate of evolutionary change
Answer:
a- after a mass extinction , because the survivors give rise to species that fill new inches
Explanation:
Adaptive radiation is a phenomenon that refers to the process in which there occurs an enhanced diversity of organisms and old specie give rise to the evolution of a diverse array of new species.
The process of adaptive radiation can occur under special circumstances for example, when there occurs a change in environment in such a way that there are more environmental resources to sustain new organisms.
There is a famous example of Adaptive radiation that is finch speciation on the Galapagos that was well studied and researched by Darwin.
Here are the conditions under which adaptive radiation can occur:
A volcanic explosion has occured that opened up new habitats for the speciation. For example: The volcanic eruption in Hawaii that created an Island in middle of ocean.Any event in which specie extinction occurred and and that open up new niches for the habitat formation and speciation.If the newly created habitat is far off and isolated from an environmental which is populated. There are chances that new specie will colonize in that newly created habitat.New habitat has enormous amount of resources to sustain the survival of diverse array of species.In view of above facts, option A is best option.
Hope it help!
Someone Please Help!!!11
A natural gas stove transforms R energy into P energy.
What do R and P most likely represent?
R represents chemical energy, P represents thermal energy
R represents thermal energy, P represents chemical energy
R represents potential energy, K represents electrical energy
R represents electrical energy, K represents potential energy
K represents potential energy
A natural gas stove transforms R energy into P energy. What do R and P most likely represent? A.) R represents chemical energy, P represents thermal energy R represents thermal energy, P represents chemical energy ,
R represents electrical energy
How many peptides can we form with the arginine, tryptophan, cysteine and valine?
24 peptides bonds we can form with thee arginine, tryptophan, cysteine and valine.
What do you mean by peptide bonds?A peptide bond is an amide type of covalent chemical bond linking two consecutive alpha-amino acids from C1 of one alpha-amino acid and N2 of another, along a peptide or protein chain.
A peptide bond is a covalent bond formed between two amino acids. Living organisms use peptide bonds to form long chains of amino acids, known as proteins.
A peptide bond, also referred to as an amide bond, is formed between the α-nitrogen atom of one amino acid and the carbonyl carbon of a second. So-called isopeptide bonds refer to amide bonds between sidechain amines or carbonyl carbons on the side chain.
Learn more about peptide bonds:
https://brainly.com/question/28295128
#SPJ5
To calculate the number of peptides that can be formed with arginine, tryptophan, cysteine, and valine, one must consider all possible combinations, with the formula 4^n, where n is the number of amino acids in the peptide chain.
The question is asking how many different peptides can be formed using the amino acids arginine, tryptophan, cysteine, and valine. To determine this, we must consider all the possible combinations these amino acids can create in a peptide chain. Each position in the peptide chain can be occupied by any one of the amino acids. Therefore, for a peptide chain of length n, the number of different peptides that can be formed is 4^n, because there are 4 choices for each position.
If we are dealing with dipeptides (chains containing only two amino acids), there are 4 choices for the first position and 4 choices for the second position, leading to 4 * 4 = 16 possible dipeptides. For tripeptides (chains containing three amino acids), the calculation would be 4 * 4 * 4 = 64 possible tripeptides. This pattern continues with the length of the peptide chain increasing. This concept also demonstrates the vast diversity possible with even a small pool of amino acids.
Ammonoids are found in rock layers from six different geologic periods yet ammonoids are considered excellent index fossils explain why this is possible
what is the function of most of the stem cells in adults?
Adult stem cells are rare. Their primary functions are to maintain the steady state functioning of a cell—called homeostasis—and, with limitations, to replace cells that die because of injury or disease
Answer:
Adult stem cells are that present throughout the body of an individual that divide to restore or fill the place of dying cells or the cells that are damaged are regenerated by these cells.
They are present in adults and as well as in the children known as somatic cells. The major role of these stem cells to maintain the continuity of the cell functioning and replace the dead or regenerate the damaged cell by injury or the disease.
Thus, the correct answer is - replace or regenerate the dead or injured cells respectively.
What are the 7 characteristics of life?
Answer:
1. responsiveness to the environment;
2. growth and change;
3. ability to reproduce;
4. have a metabolism and breathe;
5. maintain homeostasis;
6. being made of cells; and.
7. passing traits onto offspring.
Explanation:
Final answer:
The seven characteristics of life are order, sensitivity, reproduction, growth, regulation, energy processing, and evolution.
Explanation:
The seven characteristics of life are order, sensitivity or response to the environment, reproduction, growth and development, regulation/homeostasis, energy processing, and evolution.
Order refers to the organization of living things, such as the arrangement of cells or body parts. Sensitivity allows organisms to respond to stimuli in their environment. Reproduction is the ability to produce offspring.
Growth and development involve an increase in size and change over time. Regulation and homeostasis refer to the ability to maintain a stable internal environment. Energy processing involves the use of energy to carry out life processes. Evolution is the change in inherited characteristics over successive generations.
Producers are organisms that use light energy from the Sun to make food. Which of the following is an example of a producer?
A.
mushroom
B.
deer
C.
grass
D.
wolf
how are photosynthesis and cellular respiration related??
How Are Photosynthesis & Cellular Respiration Related?
Function. Only autotrophic organisms like plants, algae and some bacteria can perform....
Photosynthesis. During photosynthesis light energy from the sun causes carbon dioxide...
Cellular Respiration. Respiration requires glucose and oxygen to make carbon dioxide and water.
Please read more into it at the below website How Are Photosynthesis & Cellular Respiration Related ...
sciencing.com/how-are-photosynthesis-cellular-respiration-related-12226137.html
Answer:
The process of photosynthesis can be defined as the process by which the the plants make food.
This food is produced when a chemical reaction takes place in the leaves where the carbon dioxide, water in the presence of sunlight is converted into glucose and oxygen.
This glucose and oxygen is used in the process of cellular respiration where the glucose is broken down ad the energy obtained is stored in the form of adenosine tri phosphate in the presence of oxygen.
why is it difficult to test the efficiency of biofeedback using experimental techniques
It is difficult to devise a control treatment that replicates biofeedback. it is possible to measure like symptoms, but it is very unlikly to be 100% sure that they accurately represent the stress response, that's why the lie detector (polygraph) is not a reliable source. be sure to mark me brainlyist please
Photosynthesis occurs in the plant’s chloroplasts, where energy from sunlight is captured and used to start a reaction that produces several products. What is one way that photosynthesis benefits all living things?
Photosynthetic organisms take light energy and use it to make their own "food". In this process they use carbon dioxide and light to make sugars and oxygen. This is great for other animals that utilize this oxygen and eat the plants for food.
Photosynthesis benefits all living things because chloroplasts absorb sunlight. In photosynthesis, water (H2O) and carbon dioxide (CO2) both reacts to form glucose (C6H12O6) that is actually food for the plants. Therefore, all living organisms get benefits by eating a similar type of food that gives energy to them. All animals and even human gets much of minerals and vitamins from plants when it is consumed.
a scientist is trying to find a method to artificially produce a protein that is found in chicken liver. once the scientist isolated the gene responsible for the protein how can they make it form the protein.
Protein can be categorized into two types: complete and incomplete proteins.
Proteins are made up of smaller units, called amino acids.
Complete proteins contain all of the amino acids your body needs and include meat, fish, poultry, dairy, and soy products.
The correct answer is C. Insert the gene into bacteria.
To produce a protein from a gene, one common method is to use recombinant DNA technology. In this process, the isolated gene responsible for the protein of interest is inserted into a host organism, often bacteria or yeast, which can then produce the protein.
Here's how it works:
1. **Isolate the gene:** The scientist has already isolated the gene responsible for the protein found in chicken liver.
2. **Insert the gene into bacteria:** The isolated gene is inserted into a bacterial host's DNA. This is typically done using a plasmid, a small, circular piece of DNA that can be easily manipulated and introduced into bacteria.
3. **Expression:** The bacteria, now containing the gene of interest, can be cultured and induced to express the protein. This is often achieved by adding certain chemicals or changing the growth conditions in a way that triggers the bacterial cells to produce the protein.
4. **Protein production:** As the bacterial cells grow and divide, they produce the protein encoded by the inserted gene. This protein can then be harvested and purified for further study or use.
Options A and B ("use reverse transcriptase on the gene" and "mix gene with a cDNA probe") are not the standard methods for protein production. Reverse transcriptase is used to convert RNA into complementary DNA (cDNA) and is typically employed in the generation of cDNA libraries for studying gene expression, while cDNA probes are often used in hybridization experiments to detect the presence of specific RNA molecules. Option D ("Find all the mRNA produced by the liver") is related to studying gene expression but doesn't directly produce the protein of interest.
Which statement BEST describes why mycelium, constructed of hyphae, are necessary for fungi survival? A) Fungi need access to sunlight. B) Fungi cannot move on their own. C) Fungi cannot make their own food. D) Fungi need support to stand upright.
It's C Fungi cannot make their own food
The right option is; C)
Fungi cannot make their own food is the statement that BEST describes why mycelium, constructed of hyphae, are necessary for fungi survival.
Mycelium are the vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, usually found under the ground or inside the substrate on which the fungi are growing. The large masses of hyphae within the mycelium perform an essential role by obtaining nutrients from the organic substrates in which the fungi live or from beneath the soil to support fungi growth and its survival. This is because fungi do not have chlorophyll and cannot manufacture their own food.
Briefly explain why it’s important to know how cells function
Knowing the biochemical processes in a cell is significant in medicine and other fields such as agriculture. In medicine, this knowledge can inform the development of pharmaceuticals that treat diseases that affect cells. In agriculture, this knowledge can be used in the fight against plant diseases hence improving yields.
tides are most visible
a.on shores and coasts.
b.in the middle of the ocean.
c.wherever the water temperature is warmest.
d.in freshwater bodies,such as lakes,rivers, and streams
a.on shores and coasts. i think would be the best awnser
HURRY !! i need help !!
4You can see a typical food web here. Imagine that this food web exists in the woody area next to a farm. The farmer sprays his crops with insecticides and the majority of the insects are killed. Predict the results of the farmer's action on this food web
c is the answer to this question
hurricanes caused the worst flooding because of tsunami they caused true or false?
True because hurricanes flood the whole place and cause destructions on land, so hurricanes is worst than tsunami.
____________ is one codon that will start the process of protein synthesis. A) AGA B) AUG C) UGA D) UGU
Answer:
B AUG
Explanation: The start codon is AUG. Once this codon is detected, the cell knows that this is when to start putting the amino acids together to make the protein.
is the thermal energy that flows from one substance to another when the substances differ in temperature.
The Answer Is Heat Brainliest PLZ
Answer:
Heat
Explanation:
Heat is a form of energy (thermal energy) in transition, which is transferred by non-mechanical means due to a temperature difference.
Heat always flows from the higher temperature system to the lower temperature system.
Its nature is transitory, so it makes no sense to speak of heat stored in a system, but of heat flowing from one system or substance to another given a temperature difference.
If there is no difference in temperature, no heat will flow between systems or substances.
Why are amphibians slimy
Some frogs are slimy because they are covered in a mucous coating. This coating helps them keep their skin moist which helps them breathe through their skin. The mucous often contains other chemicals, like antibacterial or anti fungals to help protect the frog.
I hope this helps you
Amphibians are slimy due to their permeable skin and mucus glands, which help in respiration, moisture retention, and protection against predators. This slimy layer is essential for amphibians' survival in their wet habitats and plays a crucial role in their sensitivity to environmental changes. The mucus can also contain toxins to deter threats.
Explanation:Amphibians, such as frogs, toads, salamanders, and newts, are known for their slimy appearance, which is a result of their unique skin properties. Their skin is permeable and contains mucus glands that secrete a moist layer of mucus. This moist layer is crucial for their survival as it helps in cutaneous respiration, allowing them to absorb oxygen and release carbon dioxide directly through their skin. Additionally, the mucus serves to keep their skin moist, protecting them from dehydration while also facilitating easier movement in water.
Another vital role of the mucus is to protect amphibians from predators. In some species, the mucus contains toxins which can deter or harm potential threats. The unique skin of amphibians also means they are especially sensitive to environmental changes and pollution, making them important indicators of ecosystem health.
Living both on land and in water, amphibians have adapted to their environments with features like a lightweight skull and calcified bones to support movement and respiration in both mediums. Their skin's capacity to absorb water and gases directly is why amphibians are often found in moist environments and why they are at risk in dry or polluted conditions.