A new highway is built in an area. Half of a population of a certain species of animal is on one side of the highway and half on the other side. The animals are unable to cross the highway. The highway creates an example of
A. behavioral isolation.
B. seasonal isolation.
C. geographic isolation.
D. polyploidy.
C. geographic isolation.
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Which of the following processes generates a continuum (spectrum) of varying phenotypes?
A. Incomplete dominance B. Single-gene traits C. Multiple alleles D. Polygenic inheritance
Approximately what percentage of hospitalized patients may develop a nosocomial infection?
A. 0% B. 5% C. 20% D. 70%
When can photorespiration occur in plants?
A) when stomata are closed B) when oxygen levels inside the leaf are low C) when the plant is undergoing transpiration D) during the Calvin cycle
Adult food-borne botulism can be prevented by thoroughly cooking food (minimum 80°C for 20 minutes) before it is eaten.
Answer the following statement true (T) or false (F)