The Flagella of Choanocyte Cells in a Sponge Are Most

question 18

Multiple Choice

The flagella of choanocyte cells in a sponge are most similar in basic function to

• A)the flagellum of a paramecium,propelling it through the water.
• B)the cilia of a protozoan,propelling it through the water.
• C)the cilia of the trachea,moving mucous,dirt,and any liquid out of the human lung.

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Definitions:

Arcus Senilis

A gray or white arc visible above and below the outer part of the cornea, typically associated with aging.

Cataracts

A condition characterized by clouding of the lens in the eye, leading to a decrease in vision that can develop slowly and affect one or both eyes.

Tympanostomy

A surgical procedure involving the insertion of a tube into the eardrum to drain fluid and prevent ear infections.

Otitis Media

An infection or inflammation of the middle ear, often resulting in pain, fever, and sometimes temporary hearing loss.