Which coastal region is where seawater and
freshwater mix?
a. hydrothermal vents
b. coral reef
c. seamounts
d. coral reefs
e. estuary
E
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. If a mammalian species that lives in an area with harsh winters and mild springs and summers has a gestation length of five months, when would you expect mating to occur? Assume implantation and pregnancy immediately follow mating.
A. late winter B. mid-summer C. late fall D. early spring E. mid-spring
Alcohol has diuretic effects, increasing urine output. By which one of the following is this mediated?
A) Alcohol increases the amount of sodium reabsorbed. B) Alcohol decreases the amount of sodium reabsorbed. C) Alcohol makes the renal tubules more permeable to water. D) Alcohol inhibits the release of ADH. E) Drinks with alcohol also contain a lot of water, and the kidneys excrete this.
In biology, fitness is defined as _____.
A. the ability of an individual to detect life-threatening situations B. the ability of an individual to successfully capture prey C. the ability of an individual to produce surviving offspring D. the ability of an individual to perform physical feats of strength
Joan's inflamed and painful joints are likely due to which of the following chemicals?
A. platelet-activating factor B. interleukin-5 C. prostaglandins D. histamine E. gamma interferon