Porifera & Cnidaria

Front

What is the main characteristic of animals in Phylum Porifera?

Back

They are all sessile, meaning they are fixed in one place and do not move.

Front

What are the two body forms of Cnidarians?

Back

Polyp and medusa.

Front

Which of the following animals is NOT part of Phylum Cnidaria?

Back

Squids.

Front

What specialized cells in sponges have flagella for pumping water?

Back

Choanocytes.

Front

What is the osculum in sponges?

Back

The opening at the top of a sponge where water exits.

Front

What type of symmetry do Cnidarians exhibit?

Back

Radial symmetry.

Front

What are spicules in sponges?

Back

Structural elements that provide support and deter predators.

Front

What is the function of cnidocytes in Cnidarians?

Back

They are specialized cells used for capturing prey and defense, containing stinging structures called nematocysts.

Tags

NGSS.MS-LS1-2

Front

How do sponges obtain food?

Back

Through filter feeding, where they pump water through their bodies and trap food particles.

Front

What is the habitat of most Porifera?

Back

Most sponges are found in marine environments, although some can be found in freshwater.