Given illustrations, students will analyze the flow of matter and energy in food chains, food webs, and ecological pyramids.

Complete illustrated discussion of energy flow within ecosystems, including discussions of trophic levels, ecological pyramids, food chains and webs, biological magnification, and cycles.

Explains what biomass and energy pyramids are and provides a table highlighting their differences.

Explains the roles of consumers, producers, and detrivores or decomposers and how energy flows through the different levels of the energy pyramid of a tropical rainforest.