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Marietta College: Biology: Energy Flow Through the Ecosystem
Read to understand how energy and inorganic nutrients flow through a food chain in an ecosystem.
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.
Massachusetts Institute of Technology
Mit: Open Course Ware: Courses: Civil Environmental: Ecology I: The Earth System
College-level online course highlighting the fundamentals of ecology. Course topics include coevolution of the biosphere, geosphere, atmosphere, and hydrosphere; photosynthesis and respiration; and the carbon, nitrogen, and water cycles....
CK-12 Foundation
Ck 12: Life Science: Food Chains and Food Webs: Food Webs
[Free Registration/Login may be required to access all resource tools.] Energy must constantly flow through an ecosystem for the system to remain stable. What exactly does this mean? Essentially, it means that organisms must eat other...
TeachEngineering
Teach Engineering: Biodomes
Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...
Georgia Department of Education
Ga Virtual Learning: Ap Biology: Ecology
Students review the study of living things and make connections back to Earth's systems. This unit focuses on how various species, grouped in populations and communities, work with the nonliving things around them to ensure survival.
Other
The Sustainable Scale Project: Ecological Footprint
The Ecological Footprint is rooted in the fact that all renewable resources come from the earth. It accounts for the flows of energy and matter to and from any defined economy and converts these into the corresponding land/water area...
BiologyWise
Biology Wise: Facts About Autotrophs and Heterotrophs
Explains what autotrophs and heterotrophs are, the several types of each, their roles in an ecosystem's food chains, and the differences between them.
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...