CK-12 Foundation
Ck 12: Life Science: 12.18 Food Chain
Learn how energy is passed along through living things in a food chain and web.
CK-12 Foundation
Ck 12: Biology: Science of Ecology Study Guide
Review ecology, the study of how living organisms interact with each other and their surrounding environment.
FT Exploring
Ft Exploring: Science and Technology Education
A very comprehensive site for teachers and students. Topics include bugs, energy, bones, animals, photosynthesis, energy, and technology.
Tom Richey
Slide Share: Energy Flow and Nutrient Cycle
Read 37 slides on energy flow and the nutrient cycle.
Sophia Learning
Sophia: Food Webs
A short lesson explaining the "web of interactions" that occur in a food web. Understand how the energy flows between autotrophs and consumers. [0:35]
Science Struck
Science Struck: A Bird's Eye View of the Desert Food Chain
Describes how a food chain works in a desert and how the Mojave desert food chain works in particular.
Science Struck
Science Struck: Tropical Rainforest Food Web
Explains what a food web is, the complexity of one in a rainforest, and how energy flows through a food web.
BiologyWise
Biology Wise: An Analogy: Biomass Pyramid vs. Energy Pyramid
Explains what biomass and energy pyramids are and provides a table highlighting their differences.
BiologyWise
Biology Wise: Facts About Autotrophs and Heterotrophs
Explains what autotrophs and heterotrophs are, the several types of each, their roles in an ecosystem's food chains, and the differences between them.