Open Curriculum
Open Curriculum: Flow of Energy in Ecosystems
Students will understand and describe food chains and food webs, and explain how energy is transferred between their trophic levels.
ClassFlow
Class Flow: What Animals Eat
[Free Registration/Login Required] To show the dependence of animals on the plant world, these flipchart pages contain examples of food chains and food webs, as well as other information about animals and habitats.
Science Struck
Science Struck: Decomposers in the Ocean: Role and Examples
Describes five different types of decomposers that feed on decaying organic matter in the oceans and that are at the bottom of the ocean food chain.
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,...
Planet Pals
Planet Pals: Producers
This colorful site examines the food chain and delves into an explanation of what producers are and where they fit in an overall ecosystem.
Science Education Resource Center at Carleton College
Serc: Creepy Critters
Young scholars learn about aquatic life and the importance of a balanced aquatic habitat by collecting micro- and macro-organisms. By the end of the lesson, they will be able to identify and develop a pond food web.
Sophia Learning
Sophia: Producers and Consumers: Lesson 3
This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 3 of 4 in the series titled "Producers and Consumers."
Sophia Learning
Sophia: Producers and Consumers: Lesson 4
This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 4 of 4 in the series titled "Producers and Consumers."
Sophia Learning
Sophia: Producers and Consumers: Lesson 2
This lesson will review the difference between producers and consumers, and show how both play important roles in a food web. It is 2 of 4 in the series titled "Producers and Consumers."
ClassFlow
Class Flow: Habitats
[Free Registration/Login Required] A 2nd grade unit on animal environments and habitats. Include web links for information on different land and water habitats, as well as a lesson on food chains.
Sophia Learning
Sophia: Autotrophs vs. Heterotrophs: Lesson 3
This lesson will review the difference between autotrophs and heterotrophs, and show how both play important roles in a food web. It is 3 of 4 in the series titled "Autotrophs vs. Heterotrophs."
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.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is an Ecosystem?
Learn about ecosystems, how they work, codependency, and food chains.
Tramline
Virtual Field Trip: Temperate Forest Biome
Travel with your students on a Virtual Field Trip to learn about Temperate Forest Biomes. You will also discover many informative and interactive websites.
Bio Topics
Bio Topics: Feeding Relationships in an Ecosystem
This overview of feeding relationships illustrates to students the trophic levels of different organisms in an ecosystem. Hover the mouse over different terms to see their definitions.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes how energy is transfered from one organism to another.
CK-12 Foundation
Ck 12: Life Science: Producers
[Free Registration/Login may be required to access all resource tools.] Energy is the ability to do work. In organisms, this can be physical work, like walking or jumping, or it can be the work used to carry out the chemical processes in...
US Fish and Wildlife Service
Chlorinated Hydrocarbons (Organochlorines) Ddt
Read a brief history of the use of DDT in the United States, its effect on wildlife, and the banning of the toxin in 1972 by the EPA.
CK-12 Foundation
Ck 12: Earth Science: Roles in an Ecosystem
[Free Registration/Login may be required to access all resource tools.] Describes the different roles in an ecosystem.
CK-12 Foundation
Ck 12: Earth Science: Roles in an Ecosystem
[Free Registration/Login may be required to access all resource tools.] Describes the different roles in an ecosystem.
CK-12 Foundation
Ck 12: Biology: Autotrophs and Heterotrophs
[Free Registration/Login may be required to access all resource tools.] Discusses how autotrophs and heterotrophs obtain energy.
CK-12 Foundation
Ck 12: Biology: Mammal Structure and Function
[Free Registration/Login may be required to access all resource tools.] Describes the function of various structures in mammals.
CK-12 Foundation
Ck 12: Earth Science: Hazardous Waste
[Free Registration/Login may be required to access all resource tools.] Describes various types of hazardous waste.
CK-12 Foundation
Ck 12: Earth Science: Flow of Energy in Ecosystems
[Free Registration/Login may be required to access all resource tools.] Describes how energy is transferred from one organism to another.
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