Refer to the Graph Below Showing the Average Number of Parasite

question 245

Multiple Choice

Refer to the graph below showing the average number of parasite species per host, separated by host types. Which factor most likely accounts for the great specialization of parasites on trees, as compared with the various animal groups?

• A) Trees are stationary.
• B) Trees maintain a stable temperature.
• C) Trees provide better nutrients than animals do.
• D) Trees are present around the world.
• E) The surface areas and volumes of trees are greater than those of animals.

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Definitions:

Classical Conditioning Experiment

A research method used in behavioral psychology to study the association between a naturally occurring stimulus and a previously neutral stimulus.

CS

An abbreviation for conditioned stimulus, which in classical conditioning is a previously neutral stimulus that, after association with an unconditioned stimulus, comes to trigger a conditioned response.

US

Refers to the United States, a country located primarily in North America.

Contiguous

Adjacent or sharing a common border; physically touching or next to each other.