Phylum Cnidaria & Ctenophora

What is the name of the jelly matrix of a Cnidarian?

• epidermis

• calyx

• mesoglea

• epiglea

This picture is which of the two main body forms of a Cnidarian?

• polyp

• zooanthellae

• larvae

• medusa

The Cnidarian nervous system is very simple. Instead of a developed brain with a complex nervous system they have a:

• nerve net

• nerve circle

• brain net

• nerve polyp

Organisms that produce both male and female gametes are called:

• trioecious

• dioecious

• monoecious

• bioecious

Tags

NGSS.MS-LS3-2

What is the name of the stinging cells from which this phyla gets its name?

• cnidogametes

• cnidocytes

• cnidogemmules

• cnidoecious

This picture is which of the two main body forms of a Cnidarian?

• polyp

• gemmule

• medusa

• larvae

Which Cnidarian class contains the box jellyfish?

• Anthozoa

• Cubozoa

• Scyphozoa

• Hydrozoa

What is the name of Cnidarian larva?

• pupa

• pupae

• planula

• plastron

What Cnidarian class contains true corals, sea anemones, and sea pens?

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

What is the most abundant of the freshwater Cnidarians?

• box jellyfish

• hydra

• coral

• anthozoa