what are amphibians?Why amphibians do not possess exoskeleton
Answers
Answer:
Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb water through their very thin skin. Amphibians also have special skin glands that produce useful proteins.
The most simple answer to why amphibians do not have exoskeletons is because they did not evolve from the same ancestors as the arthropods. However, amphibians do not need exoskeletons because they are vertebrate animals who evolved endoskeletons make of a series of internal bones.
Answer:
The most simple answer to why amphibians do not have exoskeletons is because they did not evolve from the same ancestors as the arthropods. However, amphibians do not need exoskeletons because they are vertebrate animals who evolved endoskeletons make of a series of internal bones.
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