Which of the following will alter the frequency of alleles in the population the least?
A. Mutation
B. Natural selection
C. Genetic drift
D. Migration
E. All of the answers are equal
A
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If two animals are living together and the death of one results in the death of the other, the two animals were
A. competitors. B. vectors. C. mutualistic. D. predators.
The Amazon rainforest’s declining ability to withdraw CO2 from the atmosphere has not been attributed to increased
____.
a. logging b. farming c. tree mortality rates d. logging bans e. fires
Which of the following is the most common form of microbe transmission in impetigo?
A. fomites B. direct contact C. mechanical vectors D. blood E. body fluids
If the kingdom Plantae is someday expanded to include the charophytes (stoneworts), then the shared derived characteristics of the kingdom will include _____
1. rings of cellulose-synthesizing complexes 2. chlorophylls a and b 3. alternation of generations 4. cell walls of cellulose 5. ability to synthesize sporopollenin A) 1 and 5 B) 1, 2, and 3 C) 1, 3, and 5 D) 1, 2, 4, and 5