How Are Lichens and Mycorrhizae Similar

question 78

Multiple Choice

How are lichens and mycorrhizae similar?

• A)Both form symbiotic relationships with plants that benefit the plants.
• B)Both parasitize live plants, eventually killing them.
• C)Both are pioneer species that colonize bare rock.
• D)Both are saprophytes that decompose dead materials.

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Definitions:

Alternative Hypothesis

In statistical hypothesis testing, the hypothesis that suggests there is an effect or a difference, as opposed to the null hypothesis which suggests there is no effect or difference.

P-Value

The probability of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is correct.

Sign Test

A non-parametric test used to determine if there is a significant difference between paired observations.

Tied Pairs

Occurs when pairs of subjects have identical values for either the treatment or the control variable in matched-pairs experiments.