Concurrent range zones are used in fossil correlation because most fossils:a
have long geologic ranges.
b. are very rare.
c. are geographically restricted.
d. are not common.
e. are not well preserved.
A
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Most of Earth history has been characterized by conditions that are
A) about the same as today. B) colder than today. C) warmer than today. D) none of these
Experimental studies have demonstrated that there are a high number of herbivores near the largest individual tree species on which that herbivore feeds
According to the data shown, the probability that seeds from that tree species will successfully germinate and grow is ________. A) dependent on how the local wind and weather affects seed dispersal B) highest near that tree species C) lowest near adult trees of that species D) highest near the herbivore's watering hole E) dependent on how far the herbivore migrates
Which of the following buffers will have the best buffer capacity?
A) a solution containing 0.1 M HC2H3O2 and 0.1 M NaC2H3O2 B) a solution containing 0.05 M HC2H3O2 and 0.15 M NaC2H3O2 C) a solution containing 0.15 M HC2H3O2 and 0.05 M NaC2H3O2 D) They all have the same buffer capacity.
Mutations in the V(J)D genes is called which of the following?
A) affinity maturation B) affinity mutation C) cancer D) none of these