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| the study of interactions between organisms and the environment |
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| region of the earth where life exists |
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| several ecosystems all containing similiar characteristics |
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| all organisms and non-living factors in an area |
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| all living organisms of an environment |
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| groups of similar organisms of the same species |
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| individual organism in the population |
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| broad niche, very adaptable |
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| niche that organism is capable of doing |
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| one is benefited/one harmed |
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| lays eggs in species nest |
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| interspecific competition |
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| 2 same species uses same food source |
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| intraspecific competition |
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| competition within species |
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| one species is better able to compete for food than others |
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| physical or behavoral resemblance of one species to another to benefit itself or sometimes both species |
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| lure predators to wrong spot |
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| soil is frozen, coldest, alaska |
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| cold lots of snow, pine trees, flowering plants, animals hypernate in winter |
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| warmer than taiga, thick forests, rich soil, rain |
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| dry grasslands, grazing animals |
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| warm summers cool winters, lack of trees |
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| lots of rain then it disappears, Australia, india |
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| action by prey right before death |
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| organisms that convert dead things and waste back to dirt |
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| all pathways, 10% energy goes to next trophic level |
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| organic material in an ecosystem contained in living organisms |
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| adds water vapor to atmosphere |
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| water released through ground from plants |
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| water in atmosphere condenses and comes to earth |
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| photosynthesis-->respiration |
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| removes nitrogen from atmosphere |
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| converts ammonia to nitrates |
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| release nitrogen back to atmosphere |
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| tide pool mussels and clams |
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| lots of nutrients, light, nesting area |
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| not much life/lack of nutrients |
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| zone that doesn't recieve light |
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| sea bottom, crabs, lobsters, detri-feeders |
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| deepest part of ocean, extreme pressure |
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| process of changing an area from one lacking community to one that has a community |
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| process of changing an area from one lacking community to one that has a community |
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| mix between algae and fungi,first organism to move |
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| highly developed environment |
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