What Would Be the Expected Effect on Plants If the Atmospheric

question 45

Multiple Choice

What would be the expected effect on plants if the atmospheric CO₂ concentration was doubled?

• A) All plants will experience increased rates of photosynthesis.
• B) C3 plants will have faster growth; C4 plants will be minimally affected.
• C) C4 plants will have faster growth; C3 plants will be minimally affected.
• D) C3 plants will have faster growth; C4 plants will have slower growth.

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Definitions:

Stimulus Generalization

In operant conditioning, the tendency for a response that has been reinforced (or punished) in the presence of one stimulus to occur (or be suppressed) in the presence of other similar stimuli.

Skills Training

In behavior therapy, an effort to teach the client skills that he or she may lack, as well as new constructive behaviors to replace self-defeating ones.

Modeling

The process of observing and imitating a specific behavior from others, often a mechanism of learning in social contexts.

Role-Playing

A method used in psychology and education where individuals assume roles and act them out in a controlled setting to explore behaviors, thoughts, and emotions.