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Ecosystems 4/5th Grade Science Marilyn King
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An ecosystem is all living and nonliving things in an area.
Ecosystems An ecosystem is all living and nonliving things in an area.
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Ecosystem is derived from the Greek word oikos, for “house,” eco-is the combining form meaning “environment or habitat.”
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An Ecosystem may be very small such as:
A backyard A pond A playground
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Some may be very large like:
The deserts of Africa The rain forest of Brazil The saltwater oceans
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All ecosystems have the same parts:
Abiotic Factors Biotic Factors
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Abiotic Factors The nonliving parts of an ecosystem.
They include water, minerals, sunlight, air, climate, and soil.
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Biotic Factors The living parts of an ecosystem.
They include animals, plants, fungi, protists, and bacteria.
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All organisms of a species living in the same area make up its population. All the populations living in an area make up a community.
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Describe your own community and the population you will find there.
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Focus on your school What living things do you see?
What nonliving things help you survive?
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