Term
| What are the three levels of biodiversity? |
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Definition
1. Genetic Biodiversity
2. Species Biodiversity
3. Ecosystem Biodiversity |
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Term
| Describe Genetic Diversity |
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Definition
| Total genetic information contained within all individuals of a species |
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Term
| Describe Species Diversity |
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Definition
| Variety of species on earth |
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Term
Describe Ecosystem Diversity
what changes an ecosystem? |
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Definition
Variety of community abiotic and biotic factors
changes in climate |
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Term
| Why are tropical rainforest important? |
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Definition
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Term
| Describe a biodiversity Hotspot |
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Definition
| Regions that are extrodinarily rich in biodiversity |
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Term
| Describe an endemic species |
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Definition
| species found in one area and nowhere else |
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Term
| What are the two criteria for Conservation efforts? |
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Definition
1. 1500 endemic vascular plants
2. Lost atleast 70% of traditional vegetation. |
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Term
| Describe an exotic species |
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Definition
| foreign, invasive species that threatens native population |
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Term
| Describe Habitat Fragmentation |
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Definition
| when a habitat is separtaed into smaller, isolated regions |
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Term
| What are the three problems of habitat fragementation? |
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Definition
1. Reduces habitat size, too small to live in
2. Reduces ability for individuals to disperse
3. Edges are more dangerous |
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Term
Describe Population Viability Analysis
What are two ways it's done? |
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Definition
used to estimate the probabilty that a particular species will go extinct
1. Direct counts of extinct, near extinct species
2. Predicting consequences of habitat loss, climage change |
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Term
| Describe a Species-area relationship |
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Definition
| used to estimate rates of extinction |
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Term
| Describe the economic benefits of biodiversity |
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Definition
1. Ecosystem services: processes that increase the quality of abiotic environment
2. Increased species richness increases services provided by the ecosystem |
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Term
| What are 2 threats to biodiversity? |
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Definition
deforestation
mining
bla bla bla, you get the point
anything that takes away from the environment |
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