The purpose of this lab is to visualize the role decomposers (yeast) play in breaking down organic molecules (sugar) into recycled nutrients (atmospheric CO2) for ecosystems.

In this video you will learn how living things and the environment coexist! Join Mr. Mickens and the class as they explore biotic and abiotic factors, levels of ecological organization, and biomes. This perfect for introducing an ecology unit in a Biology class or Environmental Science. See more at our website www.crsci.org

In this video you will learn about food chains, food webs, and the flow of energy through ecosystems. Join Mr. Mickens and the class as we explore how food is broken down into energy that living things use to function every day!