Name a fresh water sponge.

Name of fresh water sponges and a coelonterata.

Name a fresh water colenterate

Which of the following is a fresh water sponge ?

Which of the following is a fresh water sponge ?

Which one of the following is a fresh water sponge ?

Name a fresh water coelenterate.

Internal asexual propagule of some fresh water sponges is or internal bud for overcoming unfavaourable conditions in leucosolenia is