Question

different sponge body types have different amounts of surface area. an increase in the surface area in the sponge canals, would result in
a. an increase in filtering capabilities
b. a decrease in filtering capabilities
c. an increase in toxin production
d. a decrease in toxin production

Explanation:

Sponges filter water through their canals. A larger surface - area in the canals allows for more water to be filtered, thus increasing filtering capabilities. There is no direct relation to toxin production based on the given information.

Answer:

A. an increase in filtering capabilities