Question

parasitic adaptation in porifera

Answer 1

Parasitic adaptations are responses to features in the parasite's environment and this environment is the body of another organism, the host. ... Almost all phyla have some parasitic members 

Answer 2

Solution:

Poriferans are well adapted to their environment usually consisting of dense structure which protects them in harsh conditions.

They emit certain toxic substances in their respective environment mainly for the purpose of protection.

These toxic substances are also the means of cultivation as it provides enough space to the sponges.