Here's a problem to solve: In a population of spiders there are three different sizes: small, medium, and large. The large spiders are easily seen by predators. Small spiders have a difficult time finding food. What will most likely happen to the population after many generations?

Among the 4 following options, which is the correct answer?

- A: Medium spiders will be the most plentiful.
 
- B: Large spiders will learn to hide from predators.
 
- C: Small and medium spiders will be the least plentiful.
 
- D: Small and large spiders will mutate.
 