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:

Dividend

Funds distributed by a corporation to its shareholders, typically from the company's earnings.

Arithmetic Average

The sum of a set of numbers divided by the count of that set of numbers, commonly used to compute simple averages.

Historical Annual Average

An average value calculated from a series of yearly figures, often used in financial analysis to smooth out fluctuations.

Holding-Period Return

Holding-period return is the total return received from holding an asset or portfolio of assets over a specified period, including interest, dividends, and capital gains.