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| any biotic or abiotic factor that restricts the existence, numbers, reproductions, or distribution of organisms. |
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| ability of an organism to withstand fluctuations in biotic and abiotic environmental factors |
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| orderly, natural changes and species replacements that take place in the communities of an ecosystem |
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colonization of barren land by communities of organisms
Ex: takes place on land where there are no living organisms. |
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| stable, mature community that undergoes little or no change in species |
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| when the sequence of changes that takes place after an existing community is severly disrupted in some way |
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| large group of ecosystems that share the same type of climax community |
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| portion of the marine biome that is shallow enough for sunlight to penetrate |
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| deeper water that never recieves sunlight |
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| a coastal body of water, partially surrounded by land, where freshwater and salt water mix |
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| the protion of the shoreline that lies between the high and low tide lines |
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| small organisms that drift and float in the waters of the photic zone |
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| treeless land with long summer days and short periods of winter sunlight. |
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| continuous belt of coniferous trees worldwide. |
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| arid region with sparse to almost nonexistent plant life |
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| large communities covered with rich soil, grasses, and similar plants |
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| TEMPERATE/DECIDUOUS FOREST |
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| dominated by broad-leaved hardwood trees that lose their foliage annually. (maple, oak, birch, elm, ash) |
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| warm temperatures, wet weather, and lush plant growth. They are warm because they are near the equator. |
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