Follow the life of an apple from harvest to the consumer. A three-part lesson describes the different steps to get an apple from the farmer to your kitchen and the approximate waste that happens at each step. They discuss the process and...

A module explaining how two different organisms can possess similar traits by sharing a common ancestor(homology) or due to convergent evolution(analogy).

Selected (7) reading passages (grades 8-11) to pair with the memoir "Farewell to Manzanar" by Jeanne Wakatsuki. [Free account registration required for specific tools.]

[Free Registration/Login may be required to access all resource tools.] Even though two different species may not look similar, they may have similar internal structures that suggest they have a common ancestor. That means both evolved...

[Free Registration/Login may be required to access all resource tools.] How do you define a living thing? What do mushrooms, daisies, cats, and bacteria have in common? All of these are living things, or organisms. It might seem hard to...

[Free Registration/Login may be required to access all resource tools.] Describes the first cells and the evolution of photosynthesis and cellular respiration.