• [Evidence of evolution: Grades 9-12] An organism's features reflect its evolutionary history.
• [Evidence of evolution: Grades 13-16] An organism's features reflect its evolutionary history.
• [Nature of science: Grades 9-12] Scientists can test ideas about events and processes long past, very distant, and not directly observable.
• [Nature of science: Grades 13-16] Scientists can test ideas about events and processes long past, very distant, and not directly observable.
• [Studying evolution: Grades 9-12] As with other scientific disciplines, evolutionary biology has applications that factor into everyday life.
• [Studying evolution: Grades 13-16] As with other scientific disciplines, evolutionary biology has applications that factor into everyday life, for example in agriculture, biodiversity and conservation biology, and medicine and health.

There are no NGSS/DCI concepts currently linked to this resource.

This article is particularly appropriate for AP biology classes and includes a set of discussion and extension questions for use in class. It also includes hints about related lessons that might be used in conjunction with this one. Because of its emphasis on cellular organelles, this article could be used to incorporate an evolutionary perspective into discussions of animal cells. Get more tips for using Evo in the News articles in your classroom.

Additional teaching tips for 13-16:
This resource deals with mitochondrial DNA and can be used to relate evolutionary concepts to the topics of biotechnology, as well as the chromosomal basis of inheritance, linkage, and recombination (or get more suggestions for incorporating evolution throughout your biology syllabus).

• Genetic Variation