Which group is able to evolve?
A) individual cats in a home
B) a population of asexually reproducing bacteria
C) a rose bush
D) an HIV virus that has infected a patient
B
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The _______________________ , which is part of the nervous system, is also recognized as a major endocrine organ because it produces several hormones
Fill in the blank(s) with the appropriate word(s).
Stomata are key sites of information processing because ____________. (Select all correct answer options.)
A. they respond to CO2 demand B. they respond to H2O loss C. they open in response to O2 D. they open in response to light
The initial attachment required for establishment of an intestinal infection is by
A. flagella. B. cilia. C. pseudopodia. D. pili.
Which factor has NOT been implicated in breaking
dormancy? a. cytokinin movement from leaves to buds in late summer b. action of abscisic acid in the spring c. gibberellin accumulation in buds in late autumn and winter d. an exposure to low temperatures for hundreds of hours e. all of these