A group of organs would be an organ system so perhaps B
<span>1. Bipedal gait
2. free to use hands for tools or carring capacity
3. increase in cranial capacity
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Evidence points to bipedalism evolving before the expansion in human brain size. The different hypotheses are not necessarily mutually exclusive and a number of selective forces may have acted together to lead to human bipedalism. </span>
It takes the Earth (approximately) 364.25 days to revolve around the sun. That's why we have leap days.
Hope that helps!
Natural sciences, because she likes the outdoors....so cash me outside howboh dah? Hope this helped Brainliest would be awesome