Bioaccumulation of Selenium in the Food Chain
Students examine food chains and the chemical selenium in the food chains. They discover how a chemical can accumulate through the chain. They also discover how they can be exposed to toxins by eating the animals and plants exposed.
4th - 6th Science 3 Views 6 Downloads
Understanding Food Chains and Food Webs
Jump into an exploration of marine ecosystems with the first lesson plan in this four-part series. After first learning about crustaceans, mollusks, and other forms of sea life, young marine biologists view a PowerPoint presentation that...
3rd - 8th Science CCSS: Adaptable
The Importance of Sharks: You Do The Math!
Elementary ecologists examine trophic relationships using a coral reef food pyramid as an example. They play a game applying math skills that ultimately demonstrate the important role of the ever-scary top predator, the shark. This is a...
3rd - 6th Science CCSS: Adaptable