Use the Figure to Answer the Following Question

question 65

Multiple Choice

Use the figure to answer the following question.

Treehoppers (a type of insect) produce honeydew, which ants use for food. Treehoppers have a major predator, the jumping spider. Researchers hypothesized that the ants would protect the treehoppers from the spiders. During a one-year study, researchers found no difference in treehopper populations in any of their control and experimental groups. What could they measure during the second year to gain information about why this might have occurred?

• A) Measure the number of ant females.
• B) Measure the relative sizes of the treehoppers.
• C) Measure the relative abundance of jumping spiders.
• D) Measure the relative sizes of different ant species.

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Definitions:

Major Affective Disorder

A category of mood disorders characterized by significant emotional disturbances, which can include either periods of intense sadness (depression) or excessive happiness (mania).

Anorexia Nervosa

A psychiatric disorder characterized by an intense fear of gaining weight and a distorted body image, leading to severe restriction of food intake and weight loss.

Bulimia

An eating disorder characterized by episodes of binge eating followed by behaviors to avoid weight gain, such as self-induced vomiting, excessive exercise, or the use of laxatives.

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A condition characterized by an excessive level of insulin in the blood, often associated with type 2 diabetes and obesity.