Cnidarian Quiz

What is the free-swimming form of Cnidarians?

• polyp

• medusa

• planula

What type of symmetry do Cnidarians have?

• asymmetrical

• bilateral

• radial

• medial

Sea Anemones and Corals belong to the Class ______________

• Anthozoa

• Cubozoa

• Hydrozoa

• Scyphozoa

What are the stinging cells inside the cnidocyte that inject paralyzing toxins into their prey?

• pinacocytes

• lysomatocyts

• choanocytes

• nematocysts

Which body form is represented by this diagram?

• Mesoglea

• Medusa

• Porifera

• Choanocyte

What is this organism? What Class does it belong to?

• jellyfish:scyphozoa
• Portuguese man-of-war:hydrozoa
• hydra:hydrozoa
• coral:anthozoa

Tags

NGSS.MS-LS4-2

"True Jellies" belong to the Class _______.

• Staurozoa

• Anthozoa

• Cubozoa

• Scyphozoa

The ______________ allows Cnidarians to respond to stimuli in their environment.

• nerve net

• tentacles

• spicules

• nematocysts

Which Class does this organism belong in?

• Class Scyphozoa

• Class Anthozoa

• Class Hydrozoa

• Class Cubozoa

Which of these is NOT a Cnidarian Class?

• Anthozoa

• Monozoa

• Scyphozoa

• Hydrozoa