Marine Science Cnidaria & Echinodermata Flashcard

Front

What type of skeleton do echinoderms have?

Back

Echinoderms have an endoskeleton, which is an internal skeleton made of calcareous plates.

Front

Which organism is NOT a Cnidarian?

Back

Examples of organisms that are NOT Cnidarians include starfish, mollusks, and arthropods.

Front

What do Cnidarians have that organisms in Echinodermata do not?

Back

Cnidarians possess stinging cells, known as cnidocytes, which are used for capturing prey and defense.

Front

What does the term echinoderm mean?

Back

The term 'echinoderm' means 'spiny skin', referring to the characteristic spines found on their bodies.

Front

What phylum does a starfish belong to?

Back

A starfish belongs to the phylum Echinodermata.

Front

What are the main classes of Cnidarians?

Back

The main classes of Cnidarians include Hydrozoa, Scyphozoa, Anthozoa, and Cubozoa.

Front

What is the primary mode of reproduction in Cnidarians?

Back

Cnidarians primarily reproduce asexually through budding and sexually through the release of gametes.

Front

What is the function of tube feet in Echinoderms?

Back

Tube feet are used for locomotion, feeding, and respiration in Echinoderms.

Front

How do Cnidarians capture their prey?

Back

Cnidarians capture prey using their stinging cells (cnidocytes) to inject toxins.

Front

What is the body symmetry of Echinoderms?

Back

Echinoderms exhibit radial symmetry, typically with a five-part body plan.