In a Food Chain Consisting of Phytoplankton → Zooplankton →

question 60

Multiple Choice

In a food chain consisting of phytoplankton → zooplankton → fish → humans, the humans are

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

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Definitions:

Sign Test

The Sign Test is a nonparametric test used to evaluate the median of a population, particularly when the sample size is small and the data are not normally distributed.

Matched Pairs

A research design in statistics where pairs of subjects are matched based on certain criteria, and differences within each pair are analyzed.

Test Statistic

A calculated value used in a statistical test to decide whether to support or reject the null hypothesis.

One-sample T Test

A statistical test used to compare the mean of a single sample to a known mean or expected value, to see if there is a significant difference.