Bozeman Science
Selection
Paul Andersen explains the importance of selection in biology. Artificial selection occurs when humans choose traits that will be selected for or against. This has created the variety of domesticated animals and crops. He then describes...
Crash Course
Natural Selection - Crash Course Biology
Hank guides us through the process of natural selection, the key mechanism of evolution.
msvgo
Hardy-Weinberg Principle
It explains Hardy-Weinberg principle including concepts such as founder effect, bottle neck effect and Hardy-Weinberg Equilibrium.
Bozeman Science
Bozeman Science: Selection
Paul Andersen explains the importance of selection in biology. Artificial selection occurs when humans choose traits that will be selected for or against. This has created the variety of domesticated animals and crops. He then describes...
Bozeman Science
Bozeman Science: Evolution Continues
Paul Andersen explains how life has evolved and continues to evolve today. A brief discussion of artificial, natural and sexual selection is included. The beak of the finch is used to explain how directional selection is achieved.