- UC Museum of Paleontology
Time: 30-40 minutes
La idea más famosa de Darwin, “La selección Natural”, explica la gran diversidad de la vida. Aprende cómo funciona, explora algunos ejemplos, y descubre cómo evitar falsas ideas.
Este artículo se encuentra en Evolución 101.
- [Evidence of evolution: Grades 9-12] There is a fit between organisms and their environments, though not always a perfect fit. (LS4.C)
- [Mechanisms of evolution: Grades 9-12] Evolution results from selection acting upon genetic variation within a population. (LS4.B)
- [Mechanisms of evolution: Grades 9-12] Natural selection acts on the variation that exists in a population. (LS4.B, LS4.C)
- [Mechanisms of evolution: Grades 9-12] Inherited characteristics affect the likelihood of an organism's survival and reproduction. (LS4.B, LS4.C)
- [Mechanisms of evolution: Grades 9-12] Traits that confer an advantage may persist in the population and are called adaptations. (LS4.B, LS4.C)
- [Mechanisms of evolution: Grades 9-12] Fitness is reproductive success — the number of viable offspring produced by an individual in comparison to other individuals in a population/species.
- Disciplinary Core Idea LS4.B: Natural Selection
- Disciplinary Core Idea LS4.C: Adaptation
This tutorial provides basic information on how natural selection works and would make an excellent introductory reading for further investigations of natural selection at work.