Dominance and communication are

a. two ways that primates maintain group cohesion

b. are the product of a solitary lifestyle

c. completely innate

d. not present in prosimians

The answer is (A) two ways that primates maintain group cohesion. Dominance and communication are one of the behaviors we see in primates. These two go together as good communication with others and develop dominance and leadership with the group will result to good cohesion.

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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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