Natural Selection

AP Biology· difficulty 2/5

In evolutionary biology, "fitness" refers to

  • A

    An individual's lifespan and longevity, contributing offspring numbers to the next generation

  • B

    An individual's ability to survive and reproduce, contributing alleles to the next generation

    check_circle
  • C

    An individual's body size and condition, contributing energy reserves to the next generation

  • D

    An individual's physical strength and stamina, contributing to dominance in the next generation

Explanation

Fitness measures reproductive success — passing genes on. A weaker organism with more offspring has higher fitness than a stronger one with none.

Want 10 more like this — adaptive to your weak spots?

Related questions

AP Biology · Natural Selection Practice Question | Acemy