sponge and cnidarians

What do the spicules of the sponge do?

• Provides structural support.

• Expels water.

• Gives nutrients to the sponge.

• Helps the sponge move.

Which is NOT a class of sponge?

• Calcarea

• Demospongiae

• Hexactinellida

• Choanocytes

An animal that possesses both masculine and feminine reproductive organs.

• Cnidarians

• Homoscleromorphas

• Hermaphrodites

• Osculums

Which is NOT a use for a sponge?

• Household cleaner

• Medical purposes

• Painting

• Making a delicious soup

What is this?

• Sponge

• Cnidarian

• Bird

• Reptile

What is this?

• Sponge

• Cnidarian

• Bird

• Reptile

What type of cnidarian is this?

• Polyp

• Medusa

What kind of cnidarian is this?

• Polyp

• Medusa

Sponges can move from one place to the other.

• True

• False

Sponges can regenerate their bodies.

• True

• False