Term
| Source of energy for most ecosystems? |
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Definition
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Term
| Through photosynthesis, sunlight is transformed into: ... |
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Definition
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Term
| A plant uses inorganic substances to do what with glucose? |
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Definition
| create useful organic materials |
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Term
| Which ecosystems contribute the most to the productivity of plant growth? |
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Definition
| Open ocean (low productivity but cover much on earth) and tropical rainforest (cover not much earth but high productivity) |
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Term
| Outline a food chain of 5 trophich levels, with a polar bear and algae. |
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Definition
| algae -> shrimp -> Arctic cod -> ringed seal -> polar bear |
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Term
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Definition
| indicator of how many organisms the enrgy has flowed through. |
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Term
| How is energy lost through organisms? |
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Definition
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Term
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Definition
| dry weight of organic matter compromising an organism or a group of organisms in a habitat |
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Term
| Formula for calculating energy efficiency? |
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Definition
| energy output/input X 100 |
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Term
| energy efficiency passed from producer to consumer or consumer to consumer is: (%) |
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Definition
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Term
| How much energy stored in a car's fuel is used to move the car forward? |
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Definition
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