Teach your students about natural selection: Clipbirds, a classroom activity for grades 6-12. Breeding bunnies, a classroom activity for grades 9-12. Find additional lessons, activities, videos, and articles that focus on natural selection.

By drawing on the works of other thinkers like Jean-Baptiste Lamarck, Charles Lyell, and Thomas Malthus, Darwin shaped the concept that organisms face a “struggle for existence” due to limited resources. ... Examples of Natural Selection. Natural selection allows organisms to adapt, survive, and reproduce in response to environmental ...

Natural selection is the mechanism that causes evolutionary change, helping organisms adapt to their environment. Charles Darwin and Alfred Wallace published simultaneous papers in the subject in 1858, and Darwin subsequently published many additional works on evolution and natural selection.

Natural selection is a pressure that causes groups of organisms to change over time. Animals inherit their genetics from their parents or ancestors, and the environment is constantly changing. So, no organism is perfectly adapted to its environment.

Natural selection, or “survival of the fittest,” is the more prolific reproduction of individuals with favorable traits that survive environmental change because of those traits. This leads to evolutionary change. For example, Darwin observed a population of giant tortoises in the Galápagos Archipelago to have longer necks than those that ...