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.
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.
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.
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...
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.
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.