Question 22
Reproduction in AnimalsSome animals return to water bodies to reproduce because
- A.natural enemies destroy their eggs on land.
- B.water nourishes their embryos and their young ones.
- C.they are close to their ancestors and imitate them.
- D.the temperature on land is not suitable for the development of their embryos.
Show the answer and explanation
Answer: D (the temperature on land is not suitable for the development of their embryos.)
Explanation
Animals like frogs lay eggs without shells that would dry out on land; their eggs and young need the conditions found in water to develop.