An evolutionary advantage of less body hair and more sweat glands most likely occurred as a result of .
a. bipedalism
b. decreased melanin production
c. migration from the plains to mountainous regions
d. the global spread of populations to Arctic regions
e. the tendency for early humans to conserve more body heat

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

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i believe your answer would be c.. : )