Earth's Biomes
Terms
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- permafrost
- soil that is frozen all year
- desert
- an area that recieves less than 25 centimeters of rain a year
- deciduous trees
- trees that shed their leaves and grow new ones each year
- hibernation
- a low-energy state similar to sleep that some mammals enter in the winter
- tundra
- an extremely cold, dry biome
- savanna
- a grassland close to the equator
- intertidal zone
- the area between the highest high-tide line and the lowest low-tide zone
- coniferous trees
- trees that produce their seeds in cones and have needle-shaped leaves
- neritic zone
- the region of shallow ocean water over the continental shelf
- grassland
- an area populated by grasses that gets 25 to 75 centimeters of rain each year
- estuary
- a habitat in which the fresh water of a river meets the salt water of the ocean
- biome
- a group of ecosystems with similar climates and organisms
- understory
- a layer of shorter plants that grow in the shade of a forest canopy
- canopy
- a leafy roof formed by tall trees