Types of Selection
07:42 - 12:22
4m 40s

Hank lists the different types of natural selection and explains each of them. He accompanies each type of selection with examples. He also briefly covers artificial selection, also known as selective breeding.

Key Words: Phenotype, Genotype, Modes of Selection, Directional Selection, Stabilizing Selection, Disruptive Selection, Sexual Selection, Directional Sexual Selection, Artificial Selection

Comments

Please sign in to write a comment.
Video Transcript

Related Clips

Homer evolves from a single-celled organism into a modern-day human. A great depiction of evolution.
Although science has not fully explained the origins of life, this clip describes how basic chemistry gave rise to living organisms.
Hank provides background information on the biologist who contributed to evolutionary history: Charles Darwin. He also explains the four principles of Darwin's idea of natural selection, which are variation, heritability, struggle for existence, and survival and reproduction rates. Key Words: Genetic Drift, Fitness, Variations of Phenotype, Heritable, The Struggle for Existence, Survival and Reproduction Rates
Jimmy discusses how ads have been interwoven into American popular culture. They first found their home interspersed in television programming, then in popups, and more recently in the news via the Internet. Jimmy states that the nature of ads and their placement have adapted to changes in technology.
In this clip, Charlie suggests using an evolutionary algorithm to search for abnormal behavior after a murder occurs in a video game with a real-life component. Evolutionary algorithms imitate the biological process of natural selection to find optimal solutions.