When a species dies, the species is said to be:
a. extinct.
b. extant.
c. endangered.
d. threatened.
e. endemic
a
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Genetic drift will have a progressively larger impact on allele frequencies in a population as
a. gene flow increases. b. population size decreases. c. mutation rate decreases. d. the number of heterozygous loci increases. e. random mating increases.
When enzyme action stops due to a buildup of end product that acts as a regulatory molecule, this control is called ________.
A. enzyme repression B. enzyme induction C. noncompetitive inhibition D. competitive inhibition
Today the term "algae" is used primarily for
organisms in the group(s) a. bacteria. b. protista. c. plantae. d. bacteria and protista only. e. bacteria, protista, and plantae
In the accompanying figure, the formation of carbohydrates from carbon dioxide and water occurs in the portion oflabeled:a
A b. B c. C d. D e. E