Curated OER
Ecological Pyramids
Students apply the ecological pyramids of numbers and biomass with an activity using topographic maps. In this trophic level lesson, students work in groups using a topographic map to determine the number of organisms that can live in an...
CK-12 Foundation
Ck 12: Episd: Trophic Levels
[Free Registration/Login may be required to access all resource tools.] Understand what trophic levels are and identify producers and consumers in a food web.
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: 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.
E-learning for Kids
E Learning for Kids: Science: Titanic Shipwreck: What Are Food Webs?
Jorge is a cook in an underwater restaurant. He knows a lot about food webs. Dive in and learn about it with him.
Science Education Resource Center at Carleton College
Serc: Energy Pyramids in Different Biome Locations
A research activity where young scholars research the various biotic and abiotic factors that combine to make up a biome. The end product will be the creation of a PowerPoint presentation that identifies these factors and the creation of...
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.
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.
![The College Board: Ap Biology 2007 Scoring Guidelines [Pdf] Study Guide](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "The College Board: Ap Biology 2007 Scoring Guidelines [Pdf] Study Guide")
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.
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.
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.
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...
Alabama Learning Exchange
Alex: Barf Biology
As part of the study of the biosphere, the learners will create pyramids using owl pellets. In groups, students will dissect owl pellets to aquire information about owl consumption. Groups will then create an ecological pyramid, a number...
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.
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.