In humans, a(n) ________ is the product of conception from the time of implantation until the eighth week of development.
A. sperm
B. ovum
C. zygote
D. fetus
E. embryo
Answer: E
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Like a majority of men, the raised ridge at the base of Zach's penile glans, called the _______, is somewhat more sexually sensitive than the rest of the tip of the penis
a. penile shaft b. corona c. urethra d. frenulum
Which of the following is the best practice to use when reading family research?
A. accepting all family research as valid and correct B. disbelieving most research on families C. being a critical consumer of family research D. only reading family research that aligns with your beliefs
________ have greatly expanded since their origin in the 1990s and have increased our ability to connect emotionally and even physically to other people all over the world at any time of the day or night.
What will be an ideal response?
Which of the following does research suggest about the sexual behavior of cohabiting couples?
A. Cohabiting couples have sex less frequently than married couples as they are not concerned about the stability of their relationships. B. Cohabiting couples have the same amount of sex as married couples. C. Cohabiting couples have sex more frequently than married couples. D. Cohabiting couples have sex less frequently than married couples to strengthen relationship.