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21 Cards in this Set
- Front
- Back
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Biomes
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Large, distinct terrestial regions. Temperature and Precipitation are determining factors. Elevation is also important. There are Nine
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Tundra
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Permafrost, Cold, <10 inches of rain. Few species. High Elevations
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Boreal Forest
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<20 inches of rain. Northern Coniferous Forest, Cold Extreme winters, some permafrost.
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Temperate Rain Forest
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80-150 inches of rain. Mild winters, Cool summers. Nutrient Poor Soil. Large evergreen trees.
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Temperate Deciduous Forest
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Rich topsoil, fair amount of precipitation
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Tropical Rain Forest
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The Amazon. 80-180 inches of rain. Highest Bio-diversity. Decomposers are very active.
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Chapparral
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Abundant rain, Dry Summers. Mild Winters, Thin infertile soil. Fire-Adapted Plants
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Temperate Grassland
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10-30 inches of rain. Hot Summers, Cold Winters,
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Savanna
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30-60 inches of rain. Low in nutrients. Prolonged Dry periods
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Desert
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Dry areas, Major temperature change in 24 hours. <10 inches of rain. Animals are small.
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Plankton organisms
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Small, Drift
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Nekton Organisms
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Swim, Fish, Whales
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Benthos Organisms
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Bottom Dwellers
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Zones in Standing Water Ecosystems
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Littoral: Shallow, along shore. most productive.
Limnetic: Open Water, extends to where sunlight penetrates. Profundal: deepest, no light penetration |
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Estuaries
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Largest is Chesapeake Bay. They are partly surrounded by land. They have access to open oceans and fresh water.
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Evolution
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Changes over time. Populations evolve, NOT individuals.
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Charles Darwin
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Wrote Natural Selection. Trait that are favorable for survival will be passed over generations.
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Natural Selection
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Survival of the fitess.
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Succession
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Change over time
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Primary Succession
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Occurs in unhabited area. Starts with nothing, bare rock. No plant life.
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Secondary Succession
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Starts with something. Are degraded. Faster than primary succession.
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