Q.
The kind of evolution seen between flying insects, birds and bats is
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NTA AbhyasNTA Abhyas 2020Evolution
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Solution:
Wings of butterfly and birds look alike. They are not anatomically similar structures though they perform similar functions. Hence, analogous structures are a result of convergent evolution - different structures evolving for the same function and therefore having similarity. Other examples of analogy are the eye of the octopus and mammals or the flippers of Penguins and Dolphins.