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23 Cards in this Set
- Front
- Back
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allows a living organism to survive
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adaptation
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to save, protect or use resources wisely
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conserve
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preventing erosion by plowing across rather than up and down a slope
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contour plowing
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growing different crop each year so that the soil does not use up the same kinds of minerals year after year
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crop rotation
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the gradual replacement of one community by another
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ecological succession
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a resource that cannot be used up or depleted easily
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inexhaustible resource
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anything that controls the growth of a population
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limiting factor
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a resource that cannot be replaced within a short period of time or at all
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nonrenewable resource
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the first community thriving in a once lifeless area
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pioneer community
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to add unnatural substances to the Earth's land, water or air
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polute
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material not yet refined, manufactured or processed
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raw material
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a resource than can be replaced in a short period of time
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renewable resource
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what a living thing does in response to a stimulus
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response
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any material that helps support life on Earth
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resource
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something in the environment that causes a living thing to react
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stimulus
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a growth response of a plant to toward or away from a stimulus
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tropism
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The land on Eart is divided into six major kinds of large ecosystems and they are called this
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Biomes
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Biomes where grasses are the main plant life and where rainfall is irregular and not usually plentiful
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Grasslands
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The lakes and ponds of a cool, forested biome is called this
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taiga
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The biome of the far north is called this
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tundra
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Sandy or rocky biome with little precipitation and little plant life
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dessert
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The forest biome with many trees that lose their leaves each year
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deciduous forest
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Hot and humid biome with much rainfall.
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tropical rain forest
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