When the birth rate plus immigration equals the
death rate plus emigration the result is
a. logistic growth.
b. exponential growth.
c. population saturation.
d. zero population growth.
e. geometric growth.
Answer: d
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Indicate whether the statement is true or false.
Establishing a phylogeny for bacteria is more difficult than establishing a phylogeny for plants or animals." This statement is:
A. correct because it is difficult to obtain enough morphological data from bacteria. B. correct because bacteria can engage in lateral gene transfer. C. incorrect because bacteria are so small. D. correct because of the quick generation time of bacteria.
At which point on a cladogram do two species share an ancestor?
A. taxon B. Node C. Tip D. Branch
In a population of organisms, beneficial and harmful random mutations are retained or eliminated through the process of:
A) expression B) folding C) selection D) translation E) conservation