Which one of the following features is not found in animals of the phylum Porifera?
A)spicules or spongin
B)food-gathering dependent entirely on cilia
C)water leaving the sponge at the osculum
D)adults that are entirely sessile (attached to the bottom)
E)tissues and organs

Question

Quizplus · Accepted Answer

Animals of the phylum Porifera do not have tissues and organs. They are characterized by the lack of true tissues and organs and instead have a simple body plan consisting of specialized cells.

Which One of the Following Features Is Not Found in Animals