WONDER #2336: What is a Nudibranch?

Question 1 of 3

What is the difference between nudibranchs and snails?

  1. Snails only eat fruit, and nudibranchs eat meat.
  2. Nudibranchs are always pink, and snails have many colors.
  3. Nudibranchs live on land, but snails live in the ocean.
  4. Snails have shells and nudibranchs do not.

Question 2 of 3

What influences a nudibranch’s color, according to this Wonder?

  1. Their predators
  2. Their age
  3. The food they eat
  4. Their parents’ colors

Question 3 of 3

Which evidence shows that nudibranchs vary in shape?

  1. “When they eat something poisonous, they can store the poison and use it for protection later.”
  2. “While most nudibranchs are oblong, they can be either flat or thick.”
  3. “To find food, they have two sensitive tentacles on top of their heads.”
  4. “Nudibranchs get their coloring from the food they eat.”

Check your answers online at https://www.wonderopolis.org/wonder/nudibranch.