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27 Cards in this Set
- Front
- Back
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Portions of the planet upon which life exist |
Biosphere |
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Atmosphere |
Air |
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Hydrosphere |
Water |
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Geosphere |
Land |
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Ecological regions based on vegetation |
Biomes |
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Types of Freshwater Ecosystems |
Lakes, Streams, Marine systems |
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Photic zone |
Light is available for photosynthesis; depth varies |
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Aphotic zone |
Light is too weak for photosynthesis to occur |
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Littoral zone |
Shallow water where plants grow |
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Limnetic zone |
Open water; plankton present |
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Thermocline |
Separates water layers; warm on top and cooler on bottom |
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Shallow upstream but wider, warmer, more turbid and deeper downstream |
Streams |
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Higher salt content; estuaries where freshwater and salt water meet highly productive |
Marine systems |
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Determines what life can occur in an ecosystem or terrestrial biomes |
Climate |
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Affected by solar radiation, earth's rotation, elevation and location of land |
Climate |
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Causes hot summers and cold winters |
Earth's tilt |
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El Nino |
Occurs about every 2-7 years which causes flooding, drought and famines |
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Topography |
Cause quite different climates in a relatively short distance |
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One side it rains alot and the other side it rains less |
Rain shadow |
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Types of forest |
Evergreen broadleaf, Deciduous broadleaf, Conifers |
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Tropical |
Evergreen |
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Temperate |
Deciduous |
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Cold, dry climates, thin leaves |
Conifers |
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Usually dry |
Grassland |
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Rainfall is less than potential for evaporation |
Deserts |
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Tundra |
Arctic or alpine |
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Has much concrete and asphalt that absorbs heat and creates temperatures 1-6 higher than local rural areas |
Urban Heat Islands |
