Howard Hughes Medical Institute
Modeling Trophic Cascades
In the ecological game of who eats who, one small change can have a big impact! Individuals create food chains in an array of ecosystems, then determine what happens to organisms in the chain when one organism changes its feeding...
Ask a Biologist
It’s a Plankton Eat Plankton World
For as small as they are, plankton sure play an enormous role in maintaining marine ecosystems. Dive into an investigation of these tiny organisms with a hands-on life science activity in which children cut out pictures of sea animals...
Forest Foundation
The Web of Life
Producers, herbivores, carnivores, omnivores, decomposers. To begin a study of the forest ecosystem, learners examine the connections among the members of ecological communities.
Curated OER
Hawaii's Freshwater Animals - Species Report
Students explore biology by creating a report for the class. In this oceanography lesson, students research and identify the survival characteristics of a list of freshwater animals by utilizing the Internet and library. Students...