TLS Online TPP Program

#Question id: 4594


Which one of the following observations did Darwin first make during his discovery of evolution?

#11. Evolution and Behavior
  1. The ability of individuals to survive and reproduce is not equal.

  2. There is variation in inherited traits.

  3. Individuals who reproduce more leave more offspring.

  4. The unequal ability to reproduce leads to the accumulation of favorable traits in a population.