Which concept helps visualize resource use and the potential for interspecific competition in nature?
a. allopatric speciation
b. the competitive exclusion principle
c. sympatric speciation
d. ecological niche
e. resource partitioning
ANSWER: d
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Genetic drift is a process that has a greater effect on populations that
(a) are large. (b) are small. (c) are not affected by mutation. (d) do not go through bottlenecks.
The MBC may be determined by an extension of the MIC
Indicate whether this statement is true or false.
__________ are proteins that occur naturally in the
vertebrate nervous system but can cause fatal disease when they misfold. Fill in the blank(s) with the appropriate word(s).
A woman is found to have forty-seven chromosomes, including three X chromosomes. Which of the following describes her expected phenotype?
A) a female with masculine characteristics such as facial hair B) an apparent male who is sterile C) healthy female of slightly above-average height D) a sterile female