[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about three theories in Earth Science: the theory of evolution, the theory of plate tectonics, and the theory of climate change due to...

This resource presents extensive information for learning about and teaching evolution including an in depth course "Evolution 101", teaching materials, and a resource library.

The aim of this article is to relate the history of oxygen in the atmosphere to the evolution of photosynthesis, aerobic respiration, mitochondria, and life on earth.