At the Bottom or Base of a Pyramid of Energy

question 18

Multiple Choice

At the bottom or base of a pyramid of energy are the

• A) primary consumers.
• B) primary producers.
• C) secondary consumers.
• D) secondary producers.
• E) tertiary consumers.

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Definitions:

Nicotine

A stimulant and addictive substance found in tobacco products that affects the nervous system.

Dependent Variable

In an experiment, the variable that is being tested and measured, expected to change as a result of manipulations to the independent variable.

Number Of Collisions

In physics, it refers to the total number of encounters between particles, such as atoms or molecules, within a certain period or in a specific reaction.

Independent Variable

A variable in an experiment that is manipulated to observe its effect on the dependent variable.