Question

the most diverse group of sponges has nearly 8,000 species and the largest members can reach up to six feet in diameter. which class of porifera is described above? class hexactinellida class demospongiae

Explanation:

Demospongiae is the most diverse class of sponges with nearly 8,000 species and can have large - sized members reaching up to six feet in diameter.

Answer:

B. Class Demospongiae