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| Multiple organisms seeking the same limited resource |
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| Competing species coexisting after adapting over evolutionary time as natural selecting favors individuals that use slightly different resources or that uses shared resources in different ways |
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| Species that hunts, captures, kills, and consume individuals of another species |
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| Relationship in which one organism depends on another organism for nourishment or another benefit while doing the host harm |
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| Animals that feed on the tissues of plant |
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| Relationship between two or more species that benefit from interacting with one another |
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| Physically close association between interacting species- may be mutualistic or parasitic |
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| Assemblage or populations of organisms living in the same area at the same time |
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| Rank in feeding hierarchy |
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| Collective mass of living matter |
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| Linear series of feeding relationships |
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| Visual map of energy flow that shows many paths along which energy passes as organisms consume another |
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| Species that has a strong or wide-reaching impact far out of proportion to its abundance |
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| Species that has a strong or wide-reaching impact far out of proportion to its abundance |
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| Phenomenon in which keystone species indirectly promote populations of organisms at low trophic levels by keeping species at intermediate trophic level in check |
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| An event that has rapid and drastic impacts on environmental conditions |
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| A community that resists change and remains stable despite a disturbance |
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| A community that changes in response to a disturbance but later returns to its original state |
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| Predictable series of changes that occur after a severe enough disturbance that eliminates all or most of the species in a community |
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| A biotic community is built from scratch after a severe disturbance that resulted in no vegetation or soil life left in a community that had occupied the site |
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| A severe disturbance that dramatically alters an existing community but does not destroy all life and organic matter |
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| Species that arrive first and colonize the new substrate |
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| The character of the community fundamentally changes- also called a regime shift |
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| Novel mixtures of plants and animals and have no analog or precedent- also called no-analog communities |
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| Non-native animals introduced into a community by humans |
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| Introduced species that spread widely and dominate a community |
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| Ecologists that research the historical conditions of ecological communities that existed before our industrialized civilization altered them |
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| On-the-ground efforts to restore altered areas to an earlier condition before human interaction |
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| Major regional complex of similar communities |
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| Depiction of information on temperature and precipitation- also called climatographs |
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| Temperate Deciduous Forests |
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| Terrestrial biome characterized by broadleaf trees that shed their leaves in the fall- mid-latitude forests that occur in Europe and Eastern China as well as Eastern North America |
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| Terrestrial biome characterized by extreme differences in winter and summer temperature and less rainfall- Westward of the Great Lakes |
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| Terrestrial biome characterized by heavy rainfall, tall coniferous trees, shaded and deep forest interiors- Found in the Pacific Northwest region |
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| Terrestrial biome characterized by year-round rain and uniformly high temperatures- found in Central America, South America, Southeast Asia, West Africa and other tropical regions |
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| Terrestrial biome characterized by tropical areas that is warm year-round but rainfall is lower and highly seasonal- Found in India, Africa, South America, and Northern Australia |
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| Terrestrial biome characterized by dry tropical regions that consist of interspersed clusters of acacias or other trees- found across stretches of Africa, South America, Australia, India, and other dry tropical regions |
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| Terrestrial biome characterized by sparse rainfall, mostly less than 10 in. precipitation per year that occurs mostly in isolated storm months or years apart- Located in the Africa's Sahara and the Sonoran Arizona area |
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| Terrestrial biome characterized by cold winters with little daylight and summers with lengthy days, landscape of lichens and low, scrubby vegetation without trees- located in high latitudes in Northern Russia, Canada, and Scandinavia |
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| Terrestrial biome characterized by long, cold winters and short, cool summers- also called tiaga or the northern coniferous forest and is located across much of Canada, Alaska, Russia and Scandinavia |
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| Terrestrial biome characterized by densely thicketed evergreen shrubs located in the Mediterranean |
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| Mutualistic relationship in which interaction vital to agriculture and our food supply occurs by free-living organisms encounter each other potentially only once |
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