Term
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Definition
| the cultivation of plants in water containing an appropriate mixture of nutrients (doesn't hold much promise; it stills requires as much fertilizer and other chemicals, as well as the water itself) |
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Term
| How many and what percent of plants account for the calories we consume? |
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Definition
| 100 kinds of plants out of the 250,000 known, supply more than 90% of all the calories we consume |
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Term
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Definition
| photosynthetic, nitrogen-fixing cynobacterium; thrives in very alkaline water, and it has a higher protein content than soybeans |
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Term
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Definition
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Term
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Definition
| the principal water-conducting tissue of plants,usually contains a combinaiton of vessels (vessel members |
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Term
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Definition
| continuous tubes formed from dead, hollow, cylindrical cells (vessel members) |
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Term
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Definition
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Term
| Population viability analysis |
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Definition
| usually predicts 100 years |
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Term
| Demographic stochasticity |
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Definition
| the amount of random varitation in death and birth rates (used in population viability analysis) |
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Term
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Definition
| the amount of genetic variation within a population (used in population variability analysis) |
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Term
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Definition
| animals weighing over 100 punds |
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Term
| categories of vunerability |
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Definition
| unted or harvested by people, lack of genetic variability, introduced secies, declining population size, loss of endemic spots |
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