An organism that develops different phenotypes in different environments is said to exhibit what trait?
What will be an ideal response?
phenotypic plasticity
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Which of the following evolve?
a. populations b. genera c. kingdoms d. both populations and genera e. populations, genera, and kingdoms
The technique of ________ ________ is used to copy the genome of a single microbial cell so there is sufficient DNA for sequencing.
What will be an ideal response?
A certain species of butterfly varies in color from white to dark blue. The birds found in the same area feed on the white or lightly colored butterflies, leaving butterflies that are darkly colored. This is an example of what type of selection?
A. directional selection B. stabilizing selection C. disruptive selection D. artificial selection
Which of the following physiological changes occurs when we live without zeitgebers?
a. the biological clock will be maintained but the sleep cycle shifts b. the sleep cycle will not be affected c. the sleep cycle will become random d. the person does not sleep