In the Partnership of a Lichen,the Fungus Provides ________ and the Relationship

question 10

Multiple Choice

In the partnership of a lichen,the fungus provides ________ and the relationship is best described as ________.

• A)most of the photosynthesis;symbiosis
• B)poisons that deter predation;commensalism
• C)structure and moisture-holding ability;mutualism
• D)very little to the algal partner;parasitism
• E)some of the photosynthesis;commensalism

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Definitions:

Independent Variable

In an experiment, the variable that is manipulated or altered by the researcher to observe its effect on the dependent variable.

Dependent Variable

The variable in a study that is expected to change in response to changes in the independent variable, often measured to assess the effect of a treatment.

Experimental Group

The group in an experiment that receives the treatment or condition being tested, as opposed to the control group.

Control Group

In scientific research, a group of subjects that does not receive the experimental treatment and is used as a baseline to compare the effects of the treatment.