The Conducting Cells of the Phloem Are Called

question 30

Multiple Choice

The conducting cells of the phloem are called:

• A)tracheids.
• B)vessel elements.
• C)leaf traces.
• D)sieve elements.
• E)hydroids.

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Definitions:

Pavlov

A Russian physiologist best known for his work in classical conditioning, particularly with the conditioned response of salivation in dogs.

Conditioned Response

A learned reaction to a previously neutral stimulus due to repeated association with an unconditioned stimulus.

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without prior conditioning.

Rescorla-Wagner

A model proposing that the strength of a conditioned response depends on the unexpectedness of the unconditioned stimulus.