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.

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3 years ago

I dont kno what is this because since this is layers of earth its hard for me

Angelina_Jolie [31]

Cant see the picture/question

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2 years ago

Read 2 more answers

Several things put together are called

IrinaK [193]

A sedimentary rock is bits of broken up rock

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