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Biology
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Give an example of evolution
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Evolution generally should have survival benefit. Perhaps men became tall, strong, lean and hairy to pursue prey or elude predators in the rain while women who where smaller needing less calories and could store more fat survived longer back at the cave with nursing infants until the men returned with prime ribs of whatever moved too slow that week.
humans
human lice are one of the best examples. We are the only species with more than one species of lice, because we have head lice and body/pubic lice due to different types of hair.
birds are evolved from reptiles and the proof is the fossil record of archeopterix.......which is half bird and half reptile.
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