In Sponges, the Choanocytes or Collar Cells

question 43

Multiple Choice

In sponges, the choanocytes or collar cells

• A)are found scattered throughout the sponge body.
• B)act in obtaining food for the sponge.
• C)allow exit of water from the sponge.
• D)produce spicules made of silica or calcium carbonate.
• E)give rise to gametes.

---

Definitions:

Savant Syndrome

A rare condition where an individual with significant mental disabilities demonstrates profound capacities or abilities in a specific area, such as memory, music, art, or calculation.

Phenylketonuria

A genetic disorder characterized by the body's inability to break down the amino acid phenylalanine, leading to harmful levels in the blood.

Hydrocephaly

A condition characterized by an abnormal accumulation of cerebrospinal fluid (CSF) in the ventricles, or cavities, of the brain, leading to increased intracranial pressure.

Contradictory Evidence

Information or data that directly opposes or conflicts with a hypothesis or widely held belief.