Cnidarians Quiz

Cnidarians are found in the ocean and provide food and shelter for a variety of fishes and invertebrates. What are they called?

• Medusa

• Polyp

• Coral Reef

• Nerve Net

Cnidarians have bodies constructed of 2 cell layers. What is the outer layer called?

• Epidermis

• Gastrodermis

• Mesoglea

• Tentacle

Cnidarians have bodies constructed of 2 cell layers. What is the inner layer called?

• Epidermis

• Gastrodermis

• Mesoglea

• Tentacle

What is the jelly-like substance between the epidermis and gastrodermis called?

• Medusa

• Polyp

• Mesoglea

• Gastrovascular Cavity

What is the hollow gut at the center of a cnidarian's body called?

• Medusa

• Polyp

• Mesoglea

• Gastrovascular Cavity

What are the specialized cells used for defense and capturing prey called?

• Tentacle

• Cnidocyte

• Nematocyst

• Gastrovascular Cavity

What is the bell-shaped body of a cnidarian called?

• Medusa

• Polyp

• Mesoglea

• Gastrovascular Cavity

What is the vase-shaped body of a cnidarian called?

• Medusa

• Polyp

• Mesoglea

• Gastrovascular Cavity

What are the numerous flexible extensions surrounding the mouth of cnidarians called?

• Medusa

• Polyp

• Mesoglea

• Tentacle

What is the diffuse web of interconnected nerve cells that control nervous responses in cnidarians called?

• Medusa

• Polyp

• Mesoglea

• Nerve Net