Sponge Choanocytes Collect Food Particles,but There Is No Food Distribution

question 28

Multiple Choice

Sponge choanocytes collect food particles,but there is no food distribution system within a sponge; how might surface cells receive nourishment?

• A) They do not; surface cells die and are regularly replaced by cell division of nourished choanocytes.
• B) Nutrients must diffuse from the choanocytes to surface cells.
• C) Amoebocytes transfer food from the choanocytes to the nonfeeding cells.
• D) Nutrient-rich choanocytes periodically fuse with nonfeeding cells, transferring nutrients as the cytoplasm mixes.

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Definitions:

Worm

A program that attempts to travel between systems through network connections to spread infections. Worms can run independently of host file execution and are active in spreading themselves.

Computer Forensics

The application of computer systems and techniques to gather potential legal evidence; a law enforcement specialty used to fight high-tech crime.

Extracting

The process of retrieving data or information from a larger set or system, often used in the context of processing raw data into a usable format.

Preserving

The act of maintaining or keeping something in its original or existing state.