Reproductive strategies evolved because of sex differences in
a. reproduction.
b. selection.
c. parental investment.
d. mate recognition.
e. mate preference.
Ans: c. parental investment.
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Which of the following would have the most semantic regularities?
A. a forest B. a skyscraper C. a shopping mall D. a toll booth
What is the name of the white slimy substance that covers the fetus's skin?
a. lanugo b. vernix c. keratin d. ossicles
Which of the following sex hormones contributes to the growth and maintenance of the uterine lining in preparation for a fertilized egg?
a. estrogen b. progesterone c. testosterone d. androgen