Like Gymnosperms, the Earliest Angiosperms Had Pollen Grains with a Single

question 31

True/False

Like gymnosperms, the earliest angiosperms had pollen grains with a single pore.

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobia or anxiety through gradual exposure to the feared object or situation coupled with relaxation exercises.

Counterconditioning

A behavior therapy technique where an undesirable response to a stimulus is replaced with a more desirable response.

Fear of Heights

An anxiety disorder characterized by an extreme and irrational fear of high places, also known as acrophobia.

Primary Reinforcers

A type of reinforcement that is innately satisfying and does not require any learning to become pleasurable, such as food and water.