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://wonderopolis.org/wonder/are-corals-animals-plants-or-rocks.