A primate that is mostly arboreal lacks a prehensile tail, and has the following additional characteristics: a fully opposable thumb, forelimbs and legs that are approximately equal in length, and widely spaced nostrils that open downward. This primate is likely to be a(an) .

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Explanation:

Old World monkey.

the correct answer would be 6 feet.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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