Question

A. Choose the correct option
1 These animals are sessile sedentary attached to the substratum
and marine except one group that lives in fresh water. These are non motile
animals attached to some solid support
a Cnidaria
b. Porifera
c. Platyhelminthes
d.Nematida​

Answer 1

ok i will answer

the answer is option b ( porifera )

mark as brainalist

Answer 2

Answer:

b

Explanation:

poriferans are mostly marine except spongilla ( a fresh water sponge).

these animals are sessile.

HOPE THIS HELPS U.

PLEASE MARK THE ANSWER AS BRAINLIEST