WONDER #2790: Why Do Cicadas Emerge Every 17 Years?

Question 1 of 3

What was the main idea of this Wonder?

  1. Cicadas only emerge every 17 years, no matter where in the world they live.
  2. Cicadas are the most interesting and unique insects on Earth, and scientists should spend more time studying them.
  3. Cicadas are loud insects that emerge from underground in broods and can be either periodical or annual.
  4. Most cicadas live between two and five years.

Question 2 of 3

Periodical cicadas only exist on which continent?

  1. Africa
  2. North America
  3. Europe
  4. Asia

Question 3 of 3

Which is NOT part of the life cycle of a cicada?

  1. Adolescent
  2. Egg
  3. Nymph
  4. Adult

Check your answers online at https://wonderopolis.org/index.php/wonder/Why-Do-Cicadas-Emerge-Every-17-Years.