Marine Cnidarians and Algae Quiz

Which of the following are not Cnidarians?

• Jellyfish
• Coral
• Hydras
• Comb Jellies

How many cell layers do jelly fish have?

• 1
• 2
• 3
• 4

Instead of a brain or central nervous system, jelly fish have what in place to help them respond to the environment.

• Stinging Cells
• Nerve Net
• Internet
• Chloroplast

What Jelly is found in jelly fish that help them float easily?

• Mesoglea
• Grape
• Cellulose
• Melanin

How do jelly fish move around?

• They beat fused cilia on their bodies like oars on a ship
• pushing off with their tentacles
• shooting air out of their mouths
• through rhythmic contractions of muscles in their bells

Through what process do Jelly fish get energy?

• Photosynthesis
• Chemosynthesis
• Cellular Respiration
• Fermentation

Through what process do Algae get energy?

• Chemosynthesis
• Photosynthesis
• Cellular Respiration
• Fermentation

Tentacles contain cnidoblasts that hold coiled thread with an attached barb called a ...

• Nemoatocyst
• Stinging Cell
• Harpoon
• Stinger

A clown fish and sea anemone have what type of relationship?

• Mutualism
• Parasitism
• Commensalism
• Predator-Prey

Which of the following is NOT a type of coral?

• Hard
• Soft
• Smooth