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.

Biology & Microbiology

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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

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Drugs that prevent the formation of the bacterial cell wall are

A) quinolones B) beta-lactams C) aminoglycosides D) tetracyclines

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Persons with asymptomatic infections may be (contaminants/reservoirs/zoonoses) of disease

What will be an ideal response?

Biology & Microbiology

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.

Biology & Microbiology