0! = _________

question 21

Multiple Choice

0! = _________?

• A) 0
• B) 1
• C) undefined
• D) ? 1
• E) ?

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Definitions:

Population Bottleneck

A significant reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, disease, or droughts) leading to a loss of genetic diversity.

Natural Selection

A process in biological evolution where certain traits become more common in a population because they contribute to an organism’s survival and reproduction.

Macroevolution

Evolution above the species level or leading to the formation of new species.