When Comparing Energy and Chemicals in an Ecosystem

question 38

Multiple Choice

When comparing energy and chemicals in an ecosystem,

• A)both chemicals and energy cycle over and over again.
• B)chemicals cycle over and over again but energy flows through once.
• C)both chemicals and energy flow through once.
• D)energy cycles over and over again but chemicals flow through once.
• E)neither cycle nor flow but both are simply present.

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Definitions:

Point Estimate

A single value that serves as the best guess or best estimate of a population parameter based on sample data.

Point Estimate

A single value given as the best guess or estimate representing a population parameter, based on sample data.

Proportion

A part, share, or number considered in comparative relation to a whole; a statistical measure often used to describe a characteristic of a sample.

Variability

The extent to which data points in a statistical distribution or dataset differ from the average or mean value.