html5-img
1 / 3

Darwin’s Theory

Darwin’s Theory. Evolution by Natural Selection. Evolution by Natural Selection. All organisms overproduce. (He got this idea from Malthus!) Food and resources are limited  therefore, there is a struggle to survive Natural ( genetic ) variation exists in all species.

abla
Download Presentation

Darwin’s Theory

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Darwin’s Theory Evolution byNatural Selection

  2. Evolution by Natural Selection • All organisms overproduce.(He got this idea from Malthus!) • Food and resources are limited  therefore, there is a struggle to survive • Natural (genetic) variation exists in all species. • The environment “selects” which organisms are best suited for survival. (Thus, the term, Natural Selection) • The survivors can reproduce!

  3. Natural Selection • Darwin’s theory of evolution by Natural Selection can be summarized in the points above. • For a little more detail from Charles himself, click here.

More Related