Sponges Lesson Review

Front

What are the small openings all over a sponge called?

Back

Pores

Front

In which phylum are sponges classified?

Back

Porifera

Front

What type of environment do most sponges inhabit?

Back

Marine environments, although some live in freshwater.

Front

What type of symmetry do most sponges exhibit?

Back

Asymmetrical.

Front

What is the function of flagella in collar cells?

Back

Circulates and creates water currents.

Front

What are collar cells also known as?

Back

Choanocytes.

Front

What is the primary function of sponges in their ecosystem?

Back

Filter feeding, which helps to clean the water.

Front

How do sponges reproduce?

Back

Sponges can reproduce both sexually and asexually.

Front

What is the role of the osculum in a sponge?

Back

It is the opening through which water exits the sponge.

Front

What type of cells are responsible for the movement of water through a sponge?

Back

Collar cells (choanocytes).