Phylum Cnidaria Summary Questions

What animal is NOT found in phylum Cnidaria?

• Jellyfish
• Coral
• Sea anemone
• Sponge

Which type of symmetry do Cnidarians exhibit?

• Asymmetry
• Radial
• Bilateral
• Helical

Choose the TWO types of body forms you might see in Cnidarians (click two answers).

• Polyp
• Asconoid
• Syconoid
• Medusa

What is the name of the tiny stinger found inside the cnidocytes of Cnidarians?

• Stylet
• Burner
• Nematocyst
• Ovipositor

Which class of Cnidarians includes the “true” jellyfish?

• Hydrozoa
• Scyphozoa
• Cubozoa
• Anthozoa

Which class of Cnidarians includes the box jellyfish?

• Hydrozoa
• Scyphozoa
• Cubozoa
• Anthozoa

Which class of Cnidarians includes the hydra?

• Hydrozoa
• Scyphozoa
• Cubozoa
• Anthozoa

Which class of Cnidarians includes the sea anemone?

• Hydrozoa
• Scyphozoa
• Cubozoa
• Anthozoa