Current research in behavioral ecology focuses on the overall contribution that behavior makes to an animal's
A. competitive strategies.
B. learning.
C. length of life.
D. foraging efficiency.
E. fitness.
Answer: E
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The presence of Okazaki fragments demonstrates the antiparallel nature of the double helix
A. true B. false
Inbreeding is primarily due to ____
a. gene flow b. nonrandom mating c. neutral mutations d. natural selection e. adaptive radiation
Which of the following is an example of migration?
A) frogs leaving a pond after metamorphosis B) hawks finding a new territory after maturing C) seeds dispersing from a tree D) humpback whales traveling up and down the coast of western United States
An individual is moderately dehydrated and reaches for a beer to quench his thirst. Although this person thinks that he is hydrating himself, he is actually causing additional dehydration. Why is this the case?
A) The alcohol in the beer causes an increase in the activity of renin. B) The alcohol in the beer inhibits antidiuretic hormone. C) The alcohol in the beer inhibits aldosterone. D) The alcohol in the beer causes a decrease in sodium reabsorption in the nephron.