You Need to Empty a Person's Ashtray

question 13

Multiple Choice

You need to empty a person's ashtray. Which is correct?

• A) The ashtray is emptied into a wastebasket.
• B) The ashtray is emptied into a plastic container.
• C) The ashtray is emptied into a container partially filled with sand or water.
• D) The ashtray is emptied when the person is done smoking.

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Definitions:

Genetic Drift

A mechanism of evolution that involves random changes in the gene frequencies of a population over time.

Population Size

The total number of individuals within a species that occupy a particular geographic area.

Genetic Drift

A mechanism of evolution that causes allele frequencies within a population to change randomly with time due to chance events.

Natural Selection

A process by which species evolve over time as individuals with traits more suited to their environment are more likely to survive and reproduce.