Answer:
I believe the options are:
A) deposit feeders
B) carnivores
C) detritus feeders
D) filter feeders
E) grazers
The answer is D) filter feeders
Explanation:
Sessile animals such as barnacles and oysters attache to rocky surface as a substratum. They feed by filtering organic matter and plankton from sea water.
* The attached diagram gives a comprehensive description of the feeding process.
