The extreme loss of genetic diversity that has occurred in cheetah populations due to overhunting is the result of
A) coevolution.
B) a population bottleneck.
C) genetic drift.
D) the founder effect.
E) natural selection.
B
You might also like to view...
Beggiatoa are ________.
A. obligate aerobes B. obligate anaerobes C. microaerophiles D. facultative anaerobes
A patient is having blood glucose problems. Plasma glucose levels are very low, a condition called
hypoglycemia. The problem is not associated with insulin, but with the secretion of glucocorticoids. How would you evaluate the patient to determine where in the feedback system the problem is located?
What will be an ideal response?A control group differs from an experimental group
A. in the number of test organisms used. B. by the independent variable. C. in several ways. D. in no way.
When hermit crabs crawl across the ocean floor, they often have sea anemones attached to their backs. The anemones use their dangerous tentacles to keep hermit crab predators at bay, and they dine on the particles of food that the crab does not eat. This
is an example of A) bioremediation. B) alternation of generations. C) symbiosis. D) endosymbiosis.