Recall the Experiment on Ant Navigation

question 14

Multiple Choice

Recall the experiment on ant navigation. To run a controlled experiment, what parameters were held constant for the test group of 75 ants?

• A) stride number, leg length, and environmental temperature
• B) leg length
• C) all variables except leg length
• D) stride number

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Definitions:

Investment Spending

Expenditures on capital goods used to increase productive capacity or efficiency, including factories, machinery, and technology.

National Election

A formal and organized choice by vote of a country's electorate to select public officials or to make decisions on public policy.

Interest Rate

The percentage of a loan that is applied as interest for the borrower, usually indicated as an annual percentage of the remaining loan balance.

Expected Rate of Return

The profit or loss one anticipates on an investment relative to the original investment amount.