Found 3 resources for the concept:
The number of offspring that survive to reproduce successfully is limited by environmental factors. (LS4.B, LS4.C)
Clipbirds
Grade Level(s):
- 6-8
- 9-12
Source:
- UC Museum of Paleontology
Resource type:
- Classroom activity
Time: One class period
Overview
Students learn about variation, reproductive isolation, natural selection, and adaptation through this version of the bird beak activity.
Darwin and Wallace: Natural selection
Grade Level(s):
- 6-8
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 10 minutes
Overview
Darwin and Wallace came up with the idea of natural selection, but their idea of how evolution occurs was not without predecessors.
This article is located within History of Evolutionary Thought.
The Making of the Fittest: Natural Selection and Adaption
Grade Level(s):
- 6-8
- 9-12
- 13-16
- Student
Source:
- Howard Hughes Medical Institute
Resource type:
- Video
Time: 10 minutes
Overview
This 10-minute film describes the research of Dr. Michael Nachman and colleagues, whose work in the field and in the lab has documented and quantified physical and genetic evolutionary changes in rock pocket mouse populations.