B. It is false. hope this helps mark me brainlist
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They lose water by evaporation on their skin and respiratory surfaces
Lamarck's hypothesis of evolution was based on the theory of acquired inheritance.
The whale's flipper and tail flukes and fish fins are analogous structure as they have different structural formation but they perform the same function.
Flipper and tails are locomotory organs in the whale and helps the whale in propelling similarly fins in the fish assist the fish in swimming. Both the strcutures have evolved differently and are made of different materials.