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26 Cards in this Set
- Front
- Back
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extinct species |
a species that has COMPLETELY DIED OUT |
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endangered species |
a species that is IN DANGER of becoming extinct |
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threatened species |
a species that is in danger of BECOMING ENDANGERED |
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succession |
the process of one ecosystem changing into a NEW and DIFFERENT one |
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primary succession |
the BEGINNING OF A COMMUNITY where few (or no) living things exist |
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pioneer species |
the FIRST SPECIES living in a lifeless area |
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pioneer community |
the FIRST COMMUNITY living in a lifeless area |
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climax community |
the FINAL STAGE OF SUCCESSION in an area (unless a major change happens) |
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secondary succession |
the beginning of a new community, BUT in an area where an earlier community already exists |
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biome |
one of Earth's large ecosystems |
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desert |
a sandy and/or rocky biome; little precipitation and plantlife |
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taiga |
a COOL FOREST BIOME of CONIFERS |
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tundra |
a LARGE, TREELESS PLAIN found only in the northern/arctic region. The ground is FROZEN ALL YEAR. |
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tropical rain forest |
a HOT and HUMID BIOME near the equator |
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temperate rain forest |
a biome with a LOT of RAIN and a COOL CLIMATE |
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deciduous forest |
a biome with MANY KINDS OF TREES that LOSE THEIR LEAVES each autumn |
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grassland |
a biome where GRASSES (and NOT trees) are the main plant life |
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landform |
a PHYSICAL FEATURE on Earth's SURFACE |
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relief map |
a MAP that shows the ELEVATION of an area, using COLORS or SHADING |
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topographical map |
a MAP that shows the ELEVATION of an area, using CONTOUR LINES |
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atmosphere |
the layers of gases that surround Earth |
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hydrosphere |
Earth's water |
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crust |
the ROCKY SURFACE that makes up the top of the lithosphere. It includes all the continents and the ocean floor. |
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mantle |
a nearly melted layer of hot rock below the Earth's crust |
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outer core |
a liquid layer of iron and nickel below Earth's mantle. |
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inner core |
a solid layer of iron and nickel inside of Earth |
