Climate experts predict that in the mountains of western North America
a. average temperatures will rise.
b. there will be less snow.
c. there will be drier forests.
d. there will be more intense wildfires.
e. all of these.
E
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The 3-day test that is useful for identifying the rapid-growers, M. fortuitum and M. chelonae, and that measures the rate by which this enzyme breaks down phenolphthalein disulfate into phe-nolphthalein and other salts is the ____________ test
a. niacin. b. phenolphthalein. c. arylsulfatase. d. Tween 80.
The resumption of growth after a period of arrested embryonic development is:
a. senescence b. germination c. imbibition d. parthenogenesis e. thigmotropism
__________ selection favors intermediate forms of a trait whereas __________ selection favors
extreme forms. Fill in the blank(s) with the appropriate word(s).
If many genes from two species differ in about 5% of their bases and substitutions occur at an estimated rate of 5% per one million years then
A. approximately 1 million years have passed since the two species diverged. B. approximately 5 million years have passed since the two species diverged. C. approximately 10 million years have passed since the two species diverged. D. approximately 20 million years have passed since the two species diverged. E. approximately 50 million years have passed since the two species diverged.