Which of the Following Is True of Members of the Phylum

question 20

Multiple Choice

Which of the following is true of members of the phylum Cnidaria?

• A) They are not capable of locomotion because they lack true muscle tissue.
• B) They are primarily filter feeders.
• C) They have either, or both, of two body forms: mobile polyps and sessile medusae.
• D) They may use a gastrovascular cavity as a hydrostatic skeleton.
• E) They are the simplest organisms with a complete alimentary canal (two openings).

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Definitions:

Say

Say refers to the extent to which individuals or groups have influence or input in decisions or matters affecting them.

Attitude

A predisposition or a tendency to respond positively or negatively towards a certain idea, object, person, or situation.

Basic Components

Fundamental parts or elements that make up a system, structure, or compound.

Personal Aggression

Hostile or harmful behavior directed towards others, often stemming from personal feelings or frustrations.