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questions about biodiversty with the answers

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