Most species of animals are:
a. invertebrates.
b. carnivores.
c. radially symmetrical.
autotrophs.
d. vertebrates.
Answer: a. invertebrates.
Biology & Microbiology
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The ecosystem that would most likely have a high net primary productivity is a
A. desert. B. tropical rain forest. C. boreal forest. D. temperate forest. E. tundra.
Biology & Microbiology
If the frequency of a recessive gene in a population
under genetic equilibrium is 40 percent, in the next generation the frequency of that gene would be a. 20 percent. b. 40 percent. c. 80 percent. d. 2pq. e. unpredictable.
Biology & Microbiology
Figure 53-2 models a __________-shaped growth curve
a. J b. S c. r d. K e. b
Biology & Microbiology
When DNA is heated, the two complementary strands ___ (separate); when the strands are cooled , they ___ (come back together again).
What will be an ideal response?
Biology & Microbiology