A Sponge Actually Feeds by

question 27

Multiple Choice

A sponge actually feeds by

• A)acting as a net in a current that sweeps food particles through it.
• B)squeezing the spongocoel cavity and sucking debris in and out through the osculum.
• C)the beating of the flagella of collar cells,forming a current; food is absorbed by collar cells.
• D)the beating collar cells form a current from osculum to pores; the food is engulfed by amoebocytes in the central cavity of the sponge.
• E)water the moves gently through the sponge and the amoebocytes that engulf passing food.

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Definitions:

Cynical Personality

A personality trait characterized by a pervasive distrust and suspicion of others' motives and intentions.

Factitious Disorder

A psychological disorder characterized by the deliberate fabrication of symptoms or self-infliction of injury in order to assume the sick role without external incentives.

Munchausen Syndrome

Munchausen Syndrome is a psychiatric disorder wherein individuals purposely feign disease, illness, or psychological trauma to draw attention, sympathy, or reassurance to themselves.

Somatic Symptom Disorder

A mental disorder characterized by an excessive focus on physical symptoms, such as pain or fatigue, that causes major emotional distress and difficulties in functioning.