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Definition
| Entire cast of characters with which ans organism might interact; ecological community. |
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| Physical or non-living factors that shape ecosystems. |
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| A full range of physical and biological conditions in which an organism lives amd the way in which the organism uses those conditions. |
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| Any necessity of life such as water, nutrients, light, food, or space. |
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| Competitive Exclusion Principle |
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Definition
| No 2 species can occupy the smae niche. |
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| An interaction in which the one organism captures and feeds on another organism. |
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| A realtionship in which 2 species live closely together. |
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| Both species benefit from the realtioship. |
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| One member of the association benefits and the other is niether helped nor harmed. |
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| One organism lives on or inside the other organism and harms it. |
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| A series of predictable changes that occur in acommunity over time. |
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| A successin that occur on land in which the surface has no soil. |
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| Thje first species to populate an area. |
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| When an ecosystem restores itself to it's original condition after a certain disturbance had occured. |
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| A complex of terrestrial communities that covers a large area and is characterized by certain soils and climate conditions and particular assemblages of plants and animals. |
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| Ability to reproduce and survive under conditions that differ from their optimal conditions. |
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Definition
| The climate in a small area that differs from the main climate around. |
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| Leafy tree tops that form a dense covering. |
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Definition
| The shade below the canopy of shorter trees and vines. |
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| A tree that sheds its leaves during a particular season each year. |
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| Trees that produce seed-bearing cones. |
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| A material in soil that is formed from decaying leaves and other orgamic matter that makes soil fertile. |
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| A layer of permanently frozen subsoil. |
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| Tiny, free flowing organism. |
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Definition
| Unicellular algae that are supported by nutrients in the water and base of many food chains. |
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Definition
| An ecosystem in which water covers the soil or the surface for part of the year. |
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| Wetlands formed when rivers meet the sea or ocean. |
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| Tiny pieces of organic material that provide food for organisms at the base of the estuarie's food web. |
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Definition
| Temperate-zone estuaries dominated by salt-tolerant grasses above the low-tide line, and by seagrasses under water. |
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| Coastal wetlands that arw widespread across tropical regions. |
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Definition
| The well-lit upper layer of the ocean. |
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Definition
| The permanently dark zone of the ocean. |
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Definition
| The prominent horizontal banding of organisms that live in a particular habitat. |
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Definition
| Extends from the low-tide mark to the outer edge of the continental shelf, the relatively shallow border that surrounds the continents. |
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Definition
| One of the most productive coastal ocean communities. |
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Definition
| Most diverse and productive enviorments on Earth, primarly made up of coral animals whose hard, calcium carbonated skeletons. |
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Definition
| Oraganism that live in the ocean floor attached to the near bottom such as sea stars. |
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