The Only Heterotrophs Required in an Ecosystem Are

question 54

Multiple Choice

The only heterotrophs required in an ecosystem are

• A) omnivores.
• B) herbivores.
• C) decomposers.
• D) autotrophs.
• E) carnivores.

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Definitions:

Test Statistic

A calculated value from sample data used in a hypothesis test to determine whether to reject the null hypothesis.

Critical Value

A critical value is a threshold or cut-off value that defines regions where the test statistic leads to the acceptance or rejection of the null hypothesis in hypothesis testing.

Frequency Distributions

A statistical analysis tool that shows how often each different value in a set of data occurs, often illustrated as a table or graph.

Wilcoxon Signed-Rank Sum Test

This is a type of statistical test that doesn't rely on predefined parameters and is utilized to analyze whether two related samples, matched samples, or repeated measures on a single sample have differing population mean ranks.