Understanding Evolution: your one-stop source for information on evolution
Resource library Teaching materials Evolution 101 Support this project
print print

Survival of the Sneakiest
by the Understanding Evolution team

"Survival of the fittest" means that the strong succeed, and the weak fail, right? Well, often that's how it's portrayed, but the real story is a bit trickier. Let's take a closer look at what the crickets do...

Discussion questions
  1. When it comes to crickets, what does fitness mean?

  2. Is calling good or bad for a cricket's fitness?

  3. Give some examples of selection at work in this cricket story.

  4. How does selection favor calling? How does selection favor not calling?

For more information: