Which of the Following Statements Is True

question 65

Multiple Choice

Which of the following statements is true?

• A) The trophic level that ultimately supports all others consists of detritivores.
• B) Consumers can exist in an ecosystem without primary producers.
• C) Chemoautotrophic prokaryotes near deep-sea vents are primary producers.
• D) No losses of energy occur from primary producers in an ecosystem.

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Definitions:

Wilcoxon Rank-sum Test

A nonparametric statistical test used to compare the medians of two independent samples, especially when the data are not normally distributed.

Kruskal-Wallis Test

A method that does not rely on parameter assumptions to determine if samples come from the same distribution, employed when the conditions for ANOVA are not satisfied.

Test Statistic T

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

Normally Distributed

Describes a distribution of data that follows the normal distribution pattern, characterized by a symmetrical bell-shaped curve.