1.4 Food Chains and Food Webs: Tracing Energy Flow
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Memory Aids
Interactive tools to help you remember key concepts
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Rhymes
Energy flows, it rarely grows; 10 percent goes, where the other 90 blows (as heat!).
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Analogies
Think of energy like money in a chain of middle-men. The producer (manufacturer) has \$100. The primary consumer (wholesaler) takes a cut and only passes \$10 to the secondary consumer (retailer). By the time it reaches the top, there is only \$1 left.
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Memory Tools
T-L-C (Trophic Levels Conserve very little).
Flash Cards
Glossary
- Heterotroph
An organism (consumer) that must eat others for energy.