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Soil
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What is a habitat?
A home for a living thing
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Why can't soil be compacted down?
There needs to be room for air and water and for the roots to grow
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How does fungi help soil?
Helps to break down dead plants and animals.
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What is soil?
The top layer of the earth
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What happens to rocks that they become soil?
They break down
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Why are there different types of soil?
Because there are different types of rocks and organic matter in different places
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What can be used to see the small particles in soil?
A microscope
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What is an organism?
A living thing
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What is humus?
Soil formed from decaying plants and animals
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What 3 ways can a rock be broken down?
Water, ice, wind
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What is an organic material?
Rotting plants and animals that give soil nutrients
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What is a natural resource?
something from nature that people can use
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True or false- A prairie would contain a lot of humus
True
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What color soil do plants grow best in?
Dark soil
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What is in soil?
Many different particles, - including sand, silt, clay
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What is the parent material of soil?
Rock
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True or false- A desert has a lot of humus
False
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What is it called when plants and animals die and break down?
They decay
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What is fungi?
Mold and mushrooms
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How many different types of soil is there in the United States?
50,000
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