If changes occur in the genetic diversity of a species and they are not the result of natural selection, which of the following could have occurred?
A. This could be a case of genetic drift.
B. The population may be extremely small.
C. Random events may have eliminated certain genes from the population.
D. All of the answers are correct.
D. All of the answers are correct.
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________ mimicry occurs when a nontoxic species closely resembles a toxic species, both of which are avoided by predators
Fill in the blank(s) with correct word
Drugs that prevent the formation of the bacterial cell wall are
A) quinolones B) beta-lactams C) aminoglycosides D) tetracyclines
Persons with asymptomatic infections may be (contaminants/reservoirs/zoonoses) of disease
What will be an ideal response?
Compared to both prokaryotic and eukaryotic cells, viruses
A) lack proteins. B) are not filterable. C) have similar metabolic processes. D) lack genetic material. E) are generally smaller.