Which one of the following observations did Darwin first make during his discovery of evolution?
A) The ability of individuals to survive and reproduce is not equal.
B) There is variation in inherited traits.
C) Individuals who reproduce more leave more offspring.
D) The unequal ability to reproduce leads to the accumulation of favourable traits in a population.

Question

Quizplus · Accepted Answer

Darwin first observed that there is variation in inherited traits among individuals in a population, which is a key component of natural selection.

Which One of the Following Observations Did Darwin First Make