'Small founder population' presentation slideshows

AP Biology

AP Biology. Chapter 23~ The Evolution of Populations. Overview: The Smallest Unit of Evolution. One misconception is that organisms evolve, in the Darwinian sense, during their lifetimes Natural selection acts on individuals, but only populations evolve

822 views • 66 slides

Other Mechanisms of Isolation

Other Mechanisms of Isolation. Changes in Chromosome Number Polyploidization can create barriers to gene flow that are not geographic Very important mechanism of isolation in plants 43-70% of extant plant species may have arisen by polyploidization

690 views • 51 slides

Chapter 23

Chapter 23. The Evolution of Populations. Overview: The Smallest Unit of Evolution. Natural selection acts on individuals, but only populations evolve. Genetic variations in populations contribute to evolution.

597 views • 43 slides

Mechanisms of Evolution

416 views • 28 slides