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ecoligy notes #3
Term | Definition |
---|---|
food chain | a model of how energy is passed from organisim to organism in a community. |
arrows on a food chain | show the direction of energy transfer. |
1st link on a food chain | producer |
2nd link on a food chain | herbivor or omnivore. this is the primary consumer - the first consumer in the food chain |
3rd link on a food chain | carnivore or omnivore - the second consumer in the chain |
4th link | carnivore or omnivore - this is the tertiary consumer - the 3rd consumer in the chain |
food web | a model that showws all the possible feeding relationships among organisms in a community |
a series of overlapping chains are | food webs |
energy pyramid | a diagram that shows the amount of energy available at each feeding level in an ecosystem |