Scientists Want to Determine Whether Chemical X, a Component of Fertilizer

question 64

Multiple Choice

Scientists want to determine whether chemical X, a component of fertilizer, is harmful to fish. They treat fish in the laboratory with increasing amounts of the chemical for one week and then measure their viability. When researchers designed this experiment, they wrote "If chemical X is toxic, the fish will begin to look sick and die." This statement is a(n) ____.

• A) interpretation
• B) theory
• C) hypothesis
• D) result
• E) prediction

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Definitions:

Sexual Stimulation

Any stimulus, including physical, psychological, or emotional, that induces arousal or sexual desire.

Post-Orgasmic

Referring to the state or period immediately following orgasm, which may involve physiological and psychological changes.

Excitement

A state of elevated arousal and interest, often in anticipation of something enjoyable or stimulating.

Parental Investment Theory

A theory in evolutionary biology and psychology that examines the costs and benefits associated with the parental care given to offspring, suggesting that parents are naturally selected to maximize the survival of their genes through their offspring.