Producers, herbivores, carnivores, omnivores, decomposers. To begin a study of the forest ecosystem, learners examine the connections among the members of ecological communities.

Ecology candidates culture pond water organisms over a few days time, then they experiment to find out how increasing nutrients affects the population. As part of a unit on water, this exploration gives your class an understanding of how...

Fifth graders identify how a pond can change into a grassland. An ecosystems lesson where learners identify pioneer and climax species, and recognize that ecological succession can take up to 100 years or more. Some excellent activities...