Lichens Are Able to Obtain Nutrients from Their Environment By

question 73

Multiple Choice

Lichens are able to obtain nutrients from their environment by:

• A)secreting organic acids that liberate nutrients from surrounding materials.
• B)associating with a specific photosynthetic symbiont.
• C)digesting "pollutants" in highly polluted environments.
• D)digesting small organisms that live on the surface of the lichen.

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Definitions:

Response Strength

The intensity or likelihood of a particular behavioral response, often influenced by past experiences or reinforcement.

Instrumental Learning

A learning process in which behavior is modified by the reinforcing or inhibitory effects of the resulting consequences.

Response

A reaction to a specific stimulus or situation, which can be verbal, physical, or emotional in nature.

Reward

A reward refers to a positive reinforcement given in response to a desired behavior, intended to encourage that behavior's recurrence.