Is extensive loss of hair observed in humans and whales an example of homoplasy or homology? see section 25.1 (page 497) ?

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Biology

Edith Mcbride

25 May, 00:15

Is extensive loss of hair observed in humans and whales an example of homoplasy or homology? see section 25.1 (page 497) ?

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Tristan Hebert · Answer 1

I believe that hair and limbs are homology because all mammals have hair and similar limb structure. Hair loss and social behavior on the other hand are homolasy because not all mammals have them. Homology is the similar traits due to common ancestry while homoplasy is similar traits for other reasons other than common ancestry.