Question

3. What are vestigial organ? How they help in explaining evolution?​

Answer 1

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Structures that have lost their use through evolution are called vestigial structures. They provide evidence for evolution because they suggest that an organism changed from using the structure to not using the structure, or using it for a different purpose.

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Answer 2

Answer:

The examples of human vestigiality are numerous, including the anatomical (such as the human tailbone, wisdom teeth, and inside corner of the eye), the behavioral (goose bumps and palmar grasp reflex), and molecular (pseudogenes). Many human characteristics are also vestigial in other primates and related animals.

Vestigial structures have lost their original main purpose, but they may retain lesser functionalities, or develop entirely new ones. Thus, a "vestigial wing" need only be useless for flight to be vestigial; it may still serve some other purpose than that of a wing

Explanation:

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