Porifera/Cnidaria Flashcard REMEDIATION

Front

What is the function of a nerve net in Cnidarians?

Back

The nerve net allows Cnidarians, such as jellyfish, to respond to environmental stimuli without a centralized brain.

Front

What phylum do jellyfish belong to?

Back

Cnidaria

Front

What are the hard skeletal structures in sponges called?

Back

Spicules

Front

What type of symmetry do Cnidarians exhibit?

Back

Radial Symmetry

Front

What is the osculum in a sponge?

Back

The osculum is the large opening at the top of the sponge through which water exits.

Front

What are nematocysts?

Back

Nematocysts are specialized stinging cells found in Cnidarians used for capturing prey and defense.

Front

What is the primary body structure of sponges?

Back

The primary body structure of sponges is composed of a porous body with a central cavity.

Front

What is the role of spongin in sponges?

Back

Spongin is a flexible protein that provides structural support to the sponge.

Front

How do sponges obtain food?

Back

Sponges filter feed by drawing water through their pores and trapping food particles.

Front

What is the difference between Porifera and Cnidaria?

Back

Porifera (sponges) are simple, porous organisms without true tissues, while Cnidaria (jellyfish, corals) have true tissues and specialized cells.