The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations ?

Question

The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations ?

A. Switch from gill respiration to air-breathing lungs.

B. Improvements in water resistance of skin.

C. Alteration in mode of locomotion.

D. Development of feathers for insulation.

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In the move onto land, the development of feathers for insulation was not required. The amphibians and reptiles do not have an insulation layer and the mammals have hair for insulation.

Accepted Answer

D. Development of feathers for insulation.

The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage. Which of the following is not one of those adaptations ?

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