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Biomes Chap. 20

Terms in this set (16)

biome
a group of ecosystems with similar climate and organisms
deciduous trees
trees that lose their leaves in the autumn and grow new ones in the spring
evergreen trees
trees that stay green all year.
coniferous trees
trees with needle-like leaves and produce seeds in cones.
grassland
a biome that receives more rain than a desert and less rain than a forest. There are few trees, but grass is abundant.
savanna
a grassland that is located near the equator.
temperate rain forest
A rain forest that receives more than 300 cm of rain per year, but is located in the temperate region of North America.
tropical rain forest
A forest biome located near the equator that receives between 300 and 400 cm of rain per year. It has the greatest diversity of life on Earth.
tundra
a cold, dry biome where some of the soil is frozen all year
permafrost
soil that is frozen all year
temperate deciduous forest
A forest biome in the temperate region. There are seasonal variations in temperature. Many animals hibernate and trees lose their leaves during the winter. .
desert
a very dry biome that receives less than 25 cm of rain per year. It contains organisms that are adapted to extreme temperatures and little water.
taiga
boreal forest -coniferous forest - a cold biome that gets many feet of snow per year and contains coniferous trees
marine biome
Includes seas, oceans, and other bodies of salty water.
estuary
an area where fresh water from rivers mixes with salt water from the ocean
freshwater biome
Includes rivers, lakes, ponds, streams, and other bodies of nonsalty or fresh water.
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