Vestigial pelvic girdle and bones of hind lim | vedclass

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(A) Whales are mammals that have evolved from land-dwelling ancestors. During their evolutionary transition to an aquatic lifestyle,they lost their fu

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Whales

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(A) Whales are mammals that have evolved from land-dwelling ancestors. During their evolutionary transition to an aquatic lifestyle,they lost their functional hind limbs. However,they still retain vestigial structures,specifically a reduced pelvic girdle and remnants of hind limb bones,which are embedded within the body wall and are not connected to the vertebral column. These structures serve as evidence of their terrestrial evolutionary history.

Vestigial pelvic girdle and bones of hind limbs are characteristic of

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