Darwin’s critical observations

Which of the following was not one of Darwin’s critical observations? Organic evolution is observed at the population level over generations, not at the individual level within generations. 2.

A) Certain characteristics can be passed from parents to offspring.

B) Most organisms produce more offspring than the

c) Traits acquired during the lifetime of an organism

D) Members of a population often vary greatly in the environment can support are often passed on to their offspring their traits.