In Commensalism

question 43

Multiple Choice

In commensalism

• A)the host and commensal can be separated and remain viable.
• B)the commensal is metabolically dependent on the host.
• C)the host provides some factor that the commensal cannot get otherwise.
• D)the host and commensal cannot be separated and remain viable and the commensal is metabolically dependent on the host.
• E)all of these.

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Definitions:

Sampling Error

The difference between the characteristics of a sample and those of the population from which it was drawn, arising purely by chance.

Directional Research Hypothesis

A hypothesis that specifies the direction of the expected difference or relationship between variables, predicting how one variable will affect another.

Nondirectional Research Hypothesis

A hypothesis that predicts a relationship between variables without specifying the direction of the relationship.

Sampling Plan

A detailed strategy that outlines the process of selecting items or individuals from a population to be included in a sample.