The second phase of speciation, which involves changes in gene pools, is called
A. geographic isolation.
B. extinction.
C. reproductive isolation.
D. adaptive radiation.
E. convergent evolution.
Answer: C
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Which of the following is true of proteins?
A) All proteins are acidic. B) All proteins are basic. C) All proteins are neutral. D) The acid/base properties of a protein depend on the identity of its side chains.
What biome comprises the coastal area of the southeast United States?
a. Tropical deciduous forest b. Temperate mixed forest c. Coniferous forest d. Savanna e. Tropical rain forest
According to our text, which of the following is NOT true?
A) Affluent core countries are more effective at protecting their environments than poor peripheral countries. B) Core countries are more interested in protecting the environment because of their Judeo-Christian perspective on nature. C) Core countries help protect their environments by exporting industrial wastes to peripheral countries. D) Core countries help protect their environments through technological innovations.
True or False: Plutonic and metamorphic rocks are particularly susceptible to oxidation reactions when they are exposed on Earth's surface
Indicate whether this statement is true or false.