Answer :Typical adaptions seen among these animals are lack of pigmentation, reduction in the size of eyes, development of sensory mechanisms that do not depend on light for detecting food or predators.
2.Why is oxygen not plentiful in caves and how do creatures deal with the lack of oxygen
Answer: Many of these animals have adaptions that reduce the need for oxygen, this is because anchialine caves tend to be oxygen depleted because their is no photosynthesis and very limited water circulation in the caves.
3.Why do adaptions occur?
Answer: Adaptions happen as random events and if they provide an advantage, the organism is more likely to survive and reproduce than other organisms with these same adaptions .
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