WONDER #1659: Are Corals Animals, Plants, or Rocks?

Question 1 of 3

Corals are what?

  1. animals
  2. rocks
  3. plants
  4. stones

Question 2 of 3

Corals make a hard skeleton of what material?

  1. dihydrogen monoxide
  2. carbon dioxide
  3. anhydrous ammonia
  4. calcium carbonate

Question 3 of 3

What kind of relationship do corals have with plants?

  1. planterrific
  2. symbiotic
  3. anaerobic
  4. arthritic

Check your answers online at https://stage.wonderopolis.org/wonder/are-corals-animals-plants-or-rocks.