When You See an Attractive Person Sit Down Next to You

question 171

Multiple Choice

When you see an attractive person sit down next to you on the bus, the mad pounding of your heart is under the influence of which nervous system?

• A) central
• B) diathesis
• C) autonomic
• D) somatic

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Definitions:

Free-Living Bacteria

Bacteria that exist and proliferate in the environment independently, not requiring a host organism for survival.

Frequency-Dependent Selection

An evolutionary process by which the fitness of a phenotype depends on its frequency relative to other phenotypes in a given population.

Soapberry Bug

A species of beetle that has been widely studied as an example of rapid evolutionary change in response to changes in its environment, specifically in the types of plants it feeds on.

Beaks

The hard, external, projecting jaws of birds, made of keratin, that are adapted to their feeding habits.