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| all organisms living together with physical environment |
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nonliving
ex: air, dirt water |
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| all member of the same species |
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different population of species which live in the same place & interact with each other
ex: park |
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place where and organism lives
ex: house |
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| vegetable, organisms (living things) |
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| plants use the sun's energy to combine carbon dioxide & water to make carbohydrates & oxygen |
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| What is the equation for photosynthesis? |
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| 6CO2(carbon)+6H2O(water)+SUN= C6H12O6(sugar)+6O2(oxygen) |
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| synthesis of organic compounds by energy derived from chemical reactions, typically in the absence of sunlight |
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a) make their own food
b) bottom of the food chain
c) plant & some bacteria |
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| can't make their own food |
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| eat both plant & meat (consumer) |
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| eat ead organisms (consumer) |
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| Cellular Respiration (occur in cell) |
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Definition
1) process of breaking down food
2)carbohydrates & oxygen breakdown into carbon dioxide, water & energy |
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| What is the equation for cellular respiration? |
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C6H12O6+6O2=
6CO2+6H2O+ATP |
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Definition
| from one level to the next 10 % of energy is actually transferred, the rest of the energy is used by the body & lost as heat |
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| show sequence in which energy is transferred from 1 organism to the next |
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| many feeding relationships withing an ecosystem |
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| each step in which energy is transferred in the food chain |
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Loss of energy in each trophic levels has what 2 effects?
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1) fewer organisms in each higher level
2) limits the number of trophic levels |
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| What is made up of carbon |
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| Dead organisms will recycle what? |
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| What do living organisms release? |
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| How do humans affect the carbon cycle? |
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| by burning fossil fuels & wood |
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| What 3 things are carbon sinks? (hold onto carbon) |
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| Nitrogen builds what in organisms? |
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