Term
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Definition
| a group of communities in the same area at the same time |
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Term
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Definition
- Concerned with energy and nutient cycles with the system
-inputs and outputs |
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Term
| Gross primary productivity |
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Definition
| all the photosynthetic energy produced in an area |
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Term
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Definition
| includes that energy used and stored by plants |
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Term
| Why are Big gierce animals rare? |
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Definition
it takes alot of food to support them
it takes a lot of energy to support them |
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Term
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Definition
Top- carnivores (large mouth bass)
decomposers
Herbivores
primary producers
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Term
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Definition
Nitrogen is in the atmosphere
Lightning- takes nitrogen out
nitrogen in the air doesn't give us a benefit
78% of air is nitrogen that we breathe
animals eating plants gets rid of nitrogen |
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Term
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Definition
major in soil
gets out from plants taking the stuff up |
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Term
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Definition
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Term
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Definition
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Term
| Industrial revoluation changing population |
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Definition
| increased life and increased standard |
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Term
| How long did it take for the world to reach it's 1st billion |
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Definition
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Term
| Where does population increase most? |
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Definition
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