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24 Cards in this Set
- Front
- Back
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Life on earth depends on? |
1.Interaction of gravity 2.cycling of matter 3. one way flow of energy |
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The most important factor in determining which biome is found in an particular area? |
Climate |
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Area beyond range of tolerance? |
zone of intolerance |
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What is biomass? |
Organic matter in each feeding step of the food pyramid Decreases up the pyramid |
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Which biome has High NPP? Low? |
Rainforest Tundra/Desert |
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The first law of thermodynamics |
Energy is neither created nor destroyed, but forms are converted |
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Functional Diversity |
Energy flow and matter cycling |
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Biodiversity is the result of the interaction between |
speciation and extinction |
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The number of different species in an ecosystem |
Species diversity |
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Competition exclusion principle |
Some species share their niche, but no two species have the exact same niche |
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Intrinsic rate of increase (r) |
How animals would thrive in an ecosystem with unlimited resources |
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Small, isolated populations are vulnerable to loss of genetic diversity because of |
1.Inbreeding 2.Demographic bottleneck 3.Founder effect 4. Genetic drift |
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Density- independent population control |
Hurricanes, tornadoes |
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What is the cultural carrying capacity |
optimum level that allows people to live in reasonable comfort and have sustainability |
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Total Fertility rate |
number of kids born to a women during her reproductive years |
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Two helpful indicators of overall health in a country are |
infant mortality rate and life expectancy |
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What is the rain shadow effect |
area having little rain because it is on the leeward side of the mountain |
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Two factors in determining climate of an area are |
temperature and precipitation |
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What are some characteristics that makes a species vulnerable to extinction? |
low reproductive rates feed at high trophic levels small niche rare |
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the greatest threat to wild species is |
deforestation |
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What evidence shows that the sun is not responsible for global warming |
the lower atmosphere has warmed while the higher atmosphere (stratosphere) has cooled |
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Global warming is most severe in what regions |
Polar |
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Ecosystem least likely to suffer disruption and species loss from climate change |
Temperate forest |
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Upwelling |
Upward movement of water brining nutrient rich water to the top |
