Overlap of niches can be minimized through:
A. increased population growth.
B. species evolving similar adaptations over
time.
C. resource partitioning.
D. reduction in the size of the fundamental
niche.
E. an increase in the similarity of species
occupying an area.
C
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Inherited mutant tumor suppressors produce a dominant susceptibility to cancer, but the mutant alleles are actually recessive in the cancer
Indicate whether the statement is true or false
The generally slow and steady succession of species on Earth has been interrupted by
A) extreme specialization of a few species. B) unusually high rates of plate tectonics. C) balanced polymorphism. D) genetic equilibrium. E) episodes of mass extinction.
Compare and contrast conventional and costly signals. Which statement is incorrect?
a. Both signals elicit costs during either production (honest signal) or use (dishonest signal). b. Both signals are energetically costly to produce. c. The meaning of conventional signals is not intrinsically connected with the structure. d. Not communicating at all may provide more fitness than communicating with a costly signal.
Which of the following structures is/are part of the mitotic spindle?
A. Kinetochore microtubules B. The aster C. All of the listed responses are part of the mitotic spindle. D. Nonkinetochore microtubules E. Centrosome