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.

Question

Quizplus · Accepted Answer

Sponges have a unique structure with pores and canals that facilitate the flow of water through their bodies, allowing them to filter feed and exchange gases. This structural adaptation enables them to grow to sizes much larger than would be possible if they relied solely on diffusion for nutrient uptake and waste removal.

Which of the Following Statements Is TRUE Regarding Sponges