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Definition
| study of relationships and interactions of living things with one another and their community |
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| shows the flow of energy from one organism to another |
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| puts the food chain in order; gets smaller as you get closer to the top |
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| show relationships between organisms and their environment; made up of several food chains |
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| organisms interacting with one another and their physical environment |
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Definition
| organisms that live together in an ecosystem |
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| one species that live in a community |
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| the role of an organism in its community |
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| one organism benefits and the other is not helped or harmed |
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one organism benefits and the other is harmed
algae>fungus
mutualsim>lichen |
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Definition
| replacement of one community by another over a period of time |
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| first time it ever happens |
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| first species entering area |
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