How Populations Evolve. Historical Theories Anaximander (~2500 yrs ago) Aristotle Georges Buffon (1700’s) Jean Baptist Lemark (late 1700’s - early1800’s)
Chapter 16 Evolution of Populations. Two main sources of genetic variation 1.Mutations—change in genes (DNA sequence) or chromosomes 2.Gene recombination—mixing.
What Darwin Never Knew How Genetics influences Evolutionary Thought.
Natural Selection & Adaptation Unit 9 7C. Natural Selection Gradual process by which biological traits become either more or less common in a population.
