Which of the Following Statements Is TRUE Regarding Sponges

question 119

Multiple Choice

Which of the following statements is TRUE regarding sponges?

• A)Sponges rely on diffusion for nutrients, and as a result are typically a few micrometers to a millimeter in size.
• B)The metabolically active cells of sponges are always located in the interior of the sponge (away from the external environment).
• C)The structure of sponges  especially the pores and canals  allows sponges to achieve sizes of up to a meter (or more).
• D)Sponges contain a diverse array of cell types, and these diverse cell types allow certain species of sponge to attain large size.
• E)Despite their name, sponges typically have smooth, nonporous surfaces.

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