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23 Cards in this Set

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