In this activity, designed by Rick Crosslin, students separate microfossils from an Ordovician-age dry clay soil sample and then observe them using ha...
The study of bread ties in such diverse disciplines as biology, technology, history and cultural mores, as well as the scientific method and the impor...
This laboratory focuses on the mutualistic relationship between the giant tortoise (Geochelone elephantopus) and the Galápagos tomato (Lycopersecon es...
Freshwater. Unicellular. Soil-water medium. Characterized by two flagella (one inside a groove at right angles to the other); most also have tests mad...
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