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14 Cards in this Set

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  • Back
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