The Accuracy of a Sample Is Measured by the

question 28

Multiple Choice

The accuracy of a sample is measured by the

• A) margin of error and the level of confidence
• B) size of the sample
• C) sampling procedure and the sample error
• D) standard deviation

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Definitions:

Food Web

In ecosystems, a complex pattern of interlocking and crisscrossing food chains.

Trophic Level

A position in a food chain or ecological pyramid occupied by a group of organisms with similar feeding mode.

Ecosystem

A community made up of living entities and their surrounding physical conditions, interacting together in a biological setting.

Trophic Level

The position an organism occupies in a food chain, based on its source of nutrition and energy.