Porifera & Cnidaria

Front

What are choanocytes?

Back

Specialized cells in sponges that have flagella and are responsible for pumping water through the sponge.

Front

What animals are included in Phylum Cnidaria?

Back

Jellyfish, anemones, and corals are included in Phylum Cnidaria, while squids are not.

Front

What is the function of amoebocytes in sponges?

Back

Amoebocytes are sponge cells that perform various functions, including the production of spicules.

Front

Define sessile animals.

Back

Animals that remain in one place and are stationary or anchored to the rocks/seafloor.

Front

What are zooplankton?

Back

Larvae of many species of animals that begin their life as small drifting organisms in water.

Front

What is the role of spicules in sponges?

Back

Spicules provide structural support and protection to sponges.

Front

What is a nematocyst?

Back

A specialized cell in Cnidarians that contains a stinging structure used for capturing prey.

Front

How do sponges reproduce?

Back

Sponges can reproduce both sexually and asexually, often through budding or the release of gametes.

Front

What is the body structure of sponges?

Back

Sponges have a porous body structure with an internal cavity called the spongocoel.

Front

What is the significance of the water flow in sponges?

Back

Water flow is essential for feeding, respiration, and waste removal in sponges.