Use the Figure to Answer the Following Question

question 7

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 the first part of July, researchers found no difference between treehopper populations in any of their control and experimental groups. Which of the following measurements, if subsequently completed, would provide data to explain the researchers' result?

• 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:

Pituitary Hormones

Regulatory substances produced by the pituitary gland, playing crucial roles in growth, reproductive functions, and metabolism.

Testosterone

A steroid hormone that plays a key role in the development of male reproductive tissues and the promotion of secondary sexual characteristics.

Testes

The male reproductive glands that produce sperm and hormones, including testosterone.

First Trimester

The initial stage of pregnancy, lasting from conception to the end of the 12th week, characterized by critical developmental processes.