Correct this sentence: Relief is the shape of water.
Relief is the shape of LAND.
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20
Name the two ecosystems with the greatest biodiversity.
Rainforests and coral reefs
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lifesaver
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rocket
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gift
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thief
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How can governments and autonomous communities protect ecosystems?
Collecting waste for recycling, preventing and fighting forest fires, approving and supervising works than affect ecosystems, creating protective areas...
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20
.................. areas have a lot of light.
Coast
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25
Correct this sentence: Saltwater ecosystems are classified by the amount of rain.
Saltwater ecosystems are classified by the amount of SUNLIGHT.
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20
What is biodiversity?
It is the variety of living things on Earth.
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baam
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rocket
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shark
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thief
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What are the main factors that affect terrestrial ecosystems? Write them.
Temperature, humidity, relief and soil
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5
The sunlight increases as the depth increases. True or False
False
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eraser
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star
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gift
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thief
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15
Which factor can cause a fire?
The temperature
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15
What happen if one of the factors in an ecosystem change?
If a factor change the ecosystem will also change.
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20
................... is deep and light only reaches the surface.
Open sea
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thief
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gift
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gift
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thief
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20
What four things can you do to protect ecosystems? Write them
To protect ecosystems I can save water, save energy, recycle waste and respect nature.
