4.2 Cnidarians

What are cnidarians sometimes called?

• calendrates

• cielentates

• coelenterates

• collanders

What is a coel?

• a large body cavity

• an umbrella shape

• a medusa shape

• something you can burn for heat

Name two well-known organisms within this group.

What are two notable characteristics of cnidarians?

• specialized tissues that perform specific functions

• specialized cells such as pore cells and collar cells

• an osculum that allows water to leave their body cavity

• ability to perform movements to trap prey and respond to stimuli

Match the following

• Portugese Man of War

• Hydrozoa

• Corals and Sea Anemones

• Scyphozoa

• Larger Jelly Fish

• Anthozoa