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Biodiversty
questions about biodiversty with the answers
| Question | Answer |
|---|---|
| what are 3 types of biodiversity? | 1-genetic diversity 2-species diversity 3-ecosystem diversity |
| why is biodiversity important? | because it increases the stability of an ecosystem and contributes to the health of the biosphere |
| what are the direct and indirect values of biodiversity ? | -Direct: food , shelter , clothing , energy , medicine -In direct : oxygen , drinking water , nutrients ,regulate local climates |
| what are threats to biodiversity ? | 1-habitat fragmentation 2-overexploitation 3-eutrophication 4-introduced species 5-pollution 6-habitat loss |
| how is the current extinction rate different from the background extinction rate ? | the current extinction rate is about 1000 times the normal background extinction rate |
| how can the decline of a single species affect an entire ecosystem? | Reduce Biodiversity threat the viability of ather species Disrupte Habitat defect food chain |
| what are 2 classes of natural resources ? | 1-renewable resources 2-nonrenewable resouces |
| what are methods used to conserve biodiversity? | 1-sustainable use 2-protected areas 3-corridors between habitat fragments |
| what are 2 techniques used to restore biodiversity? | 1-bioremediation 2-biological augmentation |
Created by:
mary33
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