Which of the Following Is a Diploblastic Phylum of Aquatic

question 51

Multiple Choice

Which of the following is a diploblastic phylum of aquatic predators?

• A) Cnidaria
• B) Annelida
• C) Mollusca
• D) Arthropoda
• E) Echinodermata

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Definitions:

Behaviorist Perspective

A theory of learning based on the idea that all behaviors are acquired through conditioning, emphasizing observable behaviors over internal mental states.

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs, or used to provoke a psychological benefit to the patient.

Secondary Reinforcers

Secondary reinforcers are stimuli that become reinforcing through their association with primary reinforcers, such as praise, money, or grades, which are not inherently rewarding but are valued through learned associations.

Conditioned Reinforcers

Stimuli or rewards that have become reinforcing through their association with a primary reinforcer.