Which of the Following Questions Concerning the Progymnosperms Is FALSE

question 54

Multiple Choice

Which of the following questions concerning the progymnosperms is FALSE?

• A)They had a bifacial vascular cambium.
• B)Archaeopteris was a major type.
• C)Some contain a eustele.
• D)Most were heterosporous.
• E)Seed plants are thought to have evolved from plants similar to the progymnosperms.

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Definitions:

Negative Reinforcement

A type of operant conditioning that involves the removal of an unpleasant stimulus to increase the likelihood of a behavior being repeated.

Unfavorable Stimulus

A stimulus considered unpleasant or adverse, which can alter behavior when removed following a specific action.

Favorable Stimulus

A stimulus that elicits a positive response or behavior from an organism.

Negative Reinforcement

A behavior modification technique that increases the likelihood of a behavior by removing or avoiding a negative outcome or stimulus.