- Which is not one of Darwin's four main ideas of natural selection?
AOrganisms produce more offspring than can survive.
BEvolution always improves organisms.
CThere is differential reproduction among better-adapted organisms.
DIndividuals in a population vary in many traits.
AOrganisms produce more offspring than can survive.
BEvolution always improves organisms.
CThere is differential reproduction among better-adapted organisms.
DIndividuals in a population vary in many traits.
