If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be _____

A) homology
B) homoplasy
C) common ancestry
D) retro-evolution by humans


B

Biology & Microbiology

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A. true B. false

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Unselfish acts that help others in a group so that they increase their chances of surviving and reproducing is called

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