Question

Explain taking one example of vertebrates anatomy that evolution of life has occurred on earth.

Answer 1

The forelimbs of cheetah, bats and human have a similar anatomical structure. These have bones, humerus, radius, ulna, carpals, metacarpals and phalanges. It indicates divergent evolution, where the same structure has developed along different directions as adaption to different ‘ needs.
Such structures are called homologous organs and homology indicates common ancestry.

Answer 2

The example of evolution of vertebrates is as follows:

Explanation:

• A common pattern is formed in all the vertebrates a bone pattern is common in most of the vertebrates involving the humerus, radius, ulna, and carpel.
• These structural bones are modified in the organisms which is responsible for swimming, jumping, walking and digging. These structures are homologous organs in living beings.
• This is basis of diversification of the animals into different life forms. This supports the basis of evolution in living organisms.

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