Porifera (Sponge) Quiz

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Questions and Answers

What is the common name for Porifera?

Sponge

How do Porifera draw water into the body cavity?

By bearing many tiny pores to draw water into the body cavity, and one large pore to pass it out

Where are Porifera mostly found?

Mostly in the sea, very few occur in fresh water

What are the characteristics of Porifera's body?

Porifera's body is porous, bearing many tiny pores to draw water into the body cavity, and one large pore to pass it out. Signup and view all the answers

Where are Porifera mostly found?

Porifera are mostly found in the sea, with very few occurring in fresh water. Signup and view all the answers

How are Porifera fixed in their habitat?

Porifera are fixed to some object or to the bottom of the pond or ocean. Signup and view all the answers

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Study Notes

Introduction to Porifera

The common name for Porifera is Sponges.

Structure and Function

Porifera draw water into the body cavity through a process called "inflow-outflow" system, where water enters through the pores and exits through the osculum.
The body of Porifera is characterized by the presence of a skeleton made up of spicules or spongin.

Habitat and Distribution

Porifera are mostly found in marine environments, attached to rocks, reefs, or other underwater surfaces.
They are fixed in their habitat through their root-like structures called rhizoids or through the attachment of their base to the substrate.