After birth, which hormone causes the uterus to "shrink" and also causes the mother's breast tissue to
contract forcing milk into the ducts?
a. estrogen
b. prolactin
c. progesterone
d. oxytocin
e. hCG
D
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Explain how systematists commonly identify ancestral and derived character states in the absence of fossil evidence
What will be an ideal response?
Which of the following occurs during forced expiration?
a. The alveoli inflate. b. The ribs move upward. c. The internal intercostal muscles contract. d. The floor of the thoracic cavity moves downward. e. The pressure increases in the thoracic cavity.
In trying to limit the growth of a pest, you will have more success if you can reduce the carrying capacity of the environment rather than reduce the population size of the pest.
Answer the following statement true (T) or false (F)
How does gene expression differ in muscle and nerve cells?
What will be an ideal response?