Curated OER
Ecology and the Biosphere
Ecology enthusiasts explore ecosystems with this worksheet. They define vocabulary terms and write out answers to questions about distribution and abundance of life. They complete a chart comparing abiotic and biotic factors of Earth's...
Curated OER
Ohlone Indians
Fourth graders use various pictures to identify the economic activities, food supply or religious beliefs of the Ohlone Indians. Students create a cooperative learning travel brochure.
Other
Evidence for Evolution: Formation of New Species
These pages are part of a site called Evolution that accompanies a textbook by the same name. Mark Ridley is the author. These pages offer an explanation of speciation using reproductive isolation and differences in phenotype.