If two or more phenotypes in a population are both favored by selection, what is happening?
A) Stabilizing selection
B) Sexual selection
C) Gene flow
D) Directional selection
E) Balanced polymorphism
E
Biology & Microbiology
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Over time, a sensory neuron will decrease its responsiveness to a specific signal. This
A. accommodation B. appreciation C. adaptation D. alleviation
Biology & Microbiology
Which of the following bacteria is known to be a contributing factor in the development of stomach ulcers?
A. Clostridium tetani B. Vibrio cholerae C. Helicobacter pylori D. Staphylococcus aureus E. Escherichia coli
Biology & Microbiology
What keeps the trachea from collapsing?
A) Cilia B) Surface tension of water C) Surfactant D) Semicircular rings of cartilage
Biology & Microbiology
Which brain structure is associated with the integration of sensory information?
-Cerebral cortex -Thalamus -Hypothalamus -Hippocampus
Biology & Microbiology