Which general term is used to group various biological and behavioral properties of organisms that act to prevent or reduce interbreeding?
A) allopatric speciation
B) reproductive isolating mechanisms
C) inbreeding
D) phyletic evolution
E) genetic divergence
Answer: B
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Which is a likely biotic factor limiting songbird distribution in Hawaii to alpine habitats?
A) temperature B) oxygen content C) moisture D) insects causing fatal diseases in songbirds at lower altitudes
When a few individuals colonize a distant locality and start a new population, the allele frequencies of the gene pool
may be different than those in the original population. This is known as ____.
a. the founder effect b. a population bottleneck c. genetic equilibrium d. the Hardy—Weinberg principle e. natural selection
Which of the following infectious diseases derives
from a non-mammalian reservoir? a. HIV b. SARS c. Ebola d. H5N1 e. SIV
Kinesin 1 and myosin II share each of the following features except
A) two heads. B) dimers formed by heavy chain tails coiled around each other. C) formation of bipolar filaments. D) plus end directed motor activity. E) ATPase activity.