CK-12 Foundation
Ck 12: Episd: Energy Pyramids
[Free Registration/Login may be required to access all resource tools.] Understand how energy flows within ecosystems through the use of energy pyramids.
Texas Education Agency
Texas Gateway: Organism Relationships: Food Chains, Webs, Pyramids
Given illustrations, students will analyze the flow of matter and energy in food chains, food webs, and ecological pyramids.
University of Michigan
University of Michigan: Global Change: The Flow of Energy: Higher Trophic Levels
This lesson addresses the following questions: What is the efficiency with which energy is converted from trophic level to trophic level? What are the differences between assimilation efficiency, net production efficiency, and ecological...
FT Exploring
Ft Exploring: Energy Pyramid and Food Chains
This illustrated guide to food chains and ecological pyramids will help clarify how energy flows through an ecosystem.
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.
Texas Education Agency
Texas Gateway: Food Chains, Food Webs and Food Pyramids
The following is a tutorial of food chains, food webs and food pyramids.
Texas Education Agency
Texas Gateway: Energy and Matter in Ecosystems
Learners analyze food chains, webs, and pyramids to determine how energy flows and matter cycles through ecosystems.
Tom Richey
Slide Share: Energy Flow and Nutrient Cycle
Read 37 slides on energy flow and the nutrient cycle.
FT Exploring
Ft Exploring: The Flow of Energy Through Plants and Animals
Explore the different ecological roles of organisms in the ecosystem, and find out how the energy flows through them.
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: Life Science: 12.19 Energy Flow
Learn how energy is transferred along a food chain.
BiologyWise
Biology Wise: An Analogy: Biomass Pyramid vs. Energy Pyramid
Explains what biomass and energy pyramids are and provides a table highlighting their differences.
Other
S Cool: Engery Flow and Nutrient Cycle
This website describes trophic levels, transfer of energy between trophic levels, pyramids of ecology, and nutrient cycles within the environment.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems Study Guide
Review the flow of energy through ecosystems with this study guide.
Other
Marietta College: Ecosystems
Complete illustrated discussion of energy flow within ecosystems, including discussions of trophic levels, ecological pyramids, food chains and webs, biological magnification, and cycles.
The College Board
The College Board: Ap Biology 2007 Scoring Guidelines [Pdf]
This scoring guide can be used as a study guide, provding examples and exemplary student responses. The topic covered is energy flow in ecosystems.
National Geographic
National Geographic: Marine Food Webs
For this lesson, students learn about marine food webs and pyramids, and how energy flows through a marine ecosystem. They then research a marine organism and its role in a marine food web. The class pools their information to create a...
Shmoop University
Shmoop: Ecosystem Energy Flow
Explains the processes by which energy flows through an ecosystem. Covers the meanings of key vocabulary, e.g., types of producers and consumers, trophic levels, food webs, and the energy pyramid.
Science Struck
Science Struck: Tropical Rainforest Energy Pyramid and Its Importance
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.
Scholastic
Scholastic: Study Jams! Science: Ecosystems: Food Chains
A video and a short multiple-choice quiz on food chains that explains how energy flows through the chain, beginning with plants.
Georgia Department of Education
Ga Virtual Learning: Biology: Ecology I
A comprehensive ecology learning module where students assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystems.
Tom Richey
Slide Share: Ecosystems and You
Slideshow that looks at energy flow in an ecosystem. Explains what an ecosystem is, how energy flows through it, the producers and consumers of energy, and food chains. Links to a video about plastic debris in the ocean.
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.