The anatomical evidence usually used in support of the evolutionary relationship among whales, human, birds, and dogs is the possession of

Assessment: JAMB UTME - Biology - 1994 Subject: Biology

Question 1 Report

The anatomical evidence usually used in support of the evolutionary relationship among whales, human, birds, and dogs is the possession of
Answer Details
The anatomical evidence usually used in support of the evolutionary relationship among whales, humans, birds, and dogs is the possession of pentadactyl limb. A pentadactyl limb is a limb with five digits, such as the hand of a human, wing of a bird, flipper of a whale, and paw of a dog. This similarity in limb structure suggests that these animals shared a common ancestor at some point in their evolutionary history. This is an example of homology, which is the similarity in structure due to a common ancestry.

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