Download - Organisms and the Environment
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Organisms and the Environment
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Chapter Six: Biomes
• 6.1 Climates and Biomes
• 6.2 Deserts and Grasslands
• 6.3 Temperate Forests and Rainforests
• 6.4 Taigas and Tundras
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6.1 Climates and Biomes• Climate depends on
many factors:– latitude, – precipitation, – elevation, – topography, and– distance from large
bodies of water.
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6.1 Climates and Biomes• Scientists divide the planet into climate regions called
biomes.• Earth has six main biomes: deserts, grasslands,
temperate deciduous forests, rainforests, taiga, and tundras.
• Each biome has a unique set of plants and animals that thrive in its climate.
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6.1 Climates and Biomes• Each biome has a unique set of plants
and animals that thrive in its climate.
• The Serengeti is home to thousands of predators species and 1.6 million herbivores.
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6.1 Climates and Biomes• Humidity is related to
plant and animal diversity.
• From the poles to the equator, humidity and the diversity of plants and animal increases.
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6.1 Climates and Biomes• At the equator, sunlight
is direct and intense.• As a result, the
average yearly temperature at the equator is 27 °C (80 °F), while at the North Pole it is -18 °C (0 °F).
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6.1 Climates and Biomes• Compare the data for Portland, OR and
Minneapolis, MN.• If these cities are about the same latitude,
why don’t they have the same climate?
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6.1 Climates and Biomes
• The differences in temperature between the two cities have to do with water.
• Water warms up and cools down slowly.• Regions near water—like Portland—do not
have extremely hot or cold weather, even though they are farther north.
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6.1 Plants and animals in biomes
• A biome consists of plant and animal communities.
• The plants and animals in a community survive in a shared environment.Can you give an example
of an ecosystem in the desert biome?Research an oasis to learn more!
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6.1 Plants and animals in biomes
• What features of this jackrabbit help it survive in it’s desert biome?
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6.1 Plants and animals in biomes• Within a biome, there are
many interrelated ecosystems.
• An ecosystem is made up of the plants and animals that live there, plus nonliving things like soil, air, water, sunlight, and nutrients.