BioEd Online
Bio Ed Online: Fossil Fuels and the Carbon Cycle
In the following lesson students learn how geologists locate fossil fuels by using a straw to extract "core samples" from a model that has different layers. Student sheets are provided in English and in Spanish.
Encyclopedia of Earth
Encyclopedia of Earth: Microbiology: Virus
Article explaining what viruses are, their evolution, taxonomy, morphology, and replication. Also covers mechanisms by which viruses cause disease, how they can impact on plants, and the potential and real benefits we get from...