[Free Registration/Login may be required to access all resource tools.] Learn about the evolution of eukaryotes which is explained by the endosymbiotic theory.

[Free Registration/Login may be required to access all resource tools.] Take a close look at the endosymbiotic theory scientists have developed to explain the evolution of eukaryotes. Understand that chloroplast and mitochondria used to...

[Free Registration/Login may be required to access all resource tools.] Find out how coevolution can occur in nature and identify the endosymbiotic theory.

Eukaryotic cells have separate DNA from mitochondria and chloroplasts which indicates that they were once primitive cells on their own. This multimedia article includes animations, pictures, video, biographical information, and quiz...

[Free Registration/Login may be required to access all resource tools.] Discusses how protists evolved from prokaryotic cells.

[Free Registration/Login may be required to access all resource tools.] Overview of chloroplasts.

[Free Registration/Login may be required to access all resource tools.] Describes coevolution and how it occurs.