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The study of interations between biotic and abiotic components in an ecosystem

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Term
Definition
Ecosystem   A complex, self-regulating system in which living things interact with each other and non-living things. Ecosystems come in all sizes and are made up of different biotic and abiotic characteristics.  
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Healthy ecosystems have...   An energy source, definite boundaries, biodiversity, nutrients, minerals, water, etc.  
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Biodiversity   a variety of different organisms with different roles in an ecosystem.  
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Sustainable   populations of plants, animals and other living organisms can continue to interact and reproduce indefinitely. Sustainability helps support future generations.  
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Stewardship   A way of acting that involves taking personal responsibility for the management and care of something. For example: the environment  
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Species   group of organisms that can reproduce with each other, and their offspring are viable.  
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Community   populations of different species live and interact in an area where an organism lives.  
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Niche   an organisms role in an environment.  
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Biomes   large geographical area that contains similar ecosystems. Categorized by average rainfall, temperature and plants.  
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how many biomes are in Canada..   there are 5 terrestrial biomes in Canada and 2 aquatic biomes. Ecosystems combine to make biomes. Biomes combine to make the atmosphere.  
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Marine Biomes   marine biomes are found within the ocean, and have a high salt content.  
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Fresh water Biomes   fresh water biomes are found within the lakes, streams, rivers and wetlands, and have a low salt content.  
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Atmosphere (Air)   layers of gases that surrounds the earth. it contains water, carbon dioxide, oxygen, Ozone, etc. the atmosphere help keep the plants warm.  
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Lithosphere (Ground)   earths solid outer layer, includes the rigid crust and upper mantle. It runs 100km down from the surface. It also includes soil.  
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Hydrosphere (Water)   ALL of the water on earth. 97% of this water is salt water in the earths oceans. all living things depend on water for survival.  
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What sustains life on earth?   Solar energy, the cycling of matter, and gravity.  
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Organic Substances   contains atoms of C.H. and many times O.N. (for example: proteins, sugars, fats)  
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Inorganic Substances   matter does not contain carbon and H (hydrogen) atoms (For example: nylon, carbon dioxide)  
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Decay   Organic minerals die, and then decomposers break them down and then recycle nutrients back to the earth.  
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Decomposers   (mushrooms, bread mold, bacteria, fungi) break down organic matter into small inorganic molecules.  
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