Flashcard on Phylum Cnidaria

Front

Do jellyfish have a brain?

Back

False

Front

What is an internal skeleton called?

Back

Endoskeleton

Front

Which cnidarians have a symbiotic relationship with zooxanthellae?

Back

Corals

Front

Based on their diets, what classification do cnidarians fall under?

Back

Animals

Front

What characteristic makes corals unique among cnidarians?

Back

Skeleton

Front

What are the stinging cells in cnidarians called?

Back

Nematocysts

Front

What is the primary body form of cnidarians?

Back

Polyp and Medusa

Front

What type of symmetry do cnidarians exhibit?

Back

Radial symmetry

Front

What is the main function of the gastrovascular cavity in cnidarians?

Back

Digestion and circulation of nutrients

Front

What are the two main classes of Cnidarians?

Back

Hydrozoa and Anthozoa