Multiple choice

If a bird needs a long beak to survive, what will happen to the short-beak trait over time?

  1. The short beak trait's proportion will decrease over time.

  2. The short beak trait's proportion will increase over time.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

If a long beak is necessary for survival, birds with short beaks will be less successful at surviving and reproducing. Over generations, the proportion of the short-beak trait in the population will decrease.