Answer:
The presence of fins in both species represents an adaptation to the same environment (i.e., sea), but in no way does this adaptation means close evolutionary homology between fishes and mammal cetaceans (whales)
The gradual change in an organism over a period of time is called evolution. Evolution is the population phenomenon. The reasons for the evolution is as follows:-
During the course of evolution, those species which come from other continents and live in the same habitat will perform the same function but have different anatomical structures.
These organs are known as analogous organs. According to the question, the fin and the flipper of fish and fin have a different structure but perform the same functions.
The relationship between both the organisms is their habitat.
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https://brainly.com/question/4347425
