OpenStax
Open Stax: Energy Flow Through Ecosystems
Understand how organisms acquire energy and how that energy is passed from one organism to another through food webs and their constituent food chains.
McGraw Hill
Glencoe Biology: Principles of Ecology: Chapter Test Practice
A set of fifteen comprehension questions which test over various ecological concepts.
McGraw Hill
Glencoe Biology: Flow of Energy in an Ecosystem: Self Check Quiz
Try this five question comprehension check over ecosystems and the ecological relationships within them.
McGraw Hill
Glencoe Biology: How Organisms Obtain Energy: Self Check Quiz
Try these five multiple-choice questions to review how living things obtain energy.
Bio Topics
Bio Topics: Ecological Pyramids
A colorful tutorial about ecological pyramids. Read the information, and then check your understanding with some questions and answers about the topic.
CK-12 Foundation
Ck 12: Life Science: Flow of Energy
[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...
CK-12 Foundation
Ck 12: Earth Science: Flow of Matter in Ecosystems Study Guide
Use this study guide to review the flow of matter through ecosystems.
CK-12 Foundation
Ck 12: Life Science: 12.19 Energy Flow
Learn how energy is transferred along a food chain.
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.
Tom Richey
Slide Share: Energy Flow and Nutrient Cycle
Read 37 slides on energy flow and the nutrient cycle.
BiologyWise
Biology Wise: Understanding the Process of Biological Magnification
Biological magnification is the term used to described the increasing accumulation of substances in organisms as one looks at higher trophic levels in a food chain. When that substance is a toxin, such as a heavy metal or a pesticide,...
Ohio State University
Ohio State University: Concepts of Plant Ecology
An advanced discussion of plant interactions and relationships. Energy flow, nutrient cycling and succession are discussed. Try the quiz to check your understanding.
Other
College of Du Page: Energy in an Ecosystem
Ecosystems contain two kinds of commodities: matter (nutrients) and energy. Nutrients cycle through the ecosystem, available for repeated use by organisms. These cycles of use and reuse are called biogeochemical cycles. Energy instead is...
BiologyWise
Biology Wise: An Analogy: Biomass Pyramid vs. Energy Pyramid
Explains what biomass and energy pyramids are and provides a table highlighting their differences.
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