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Elementary School: 3rd, 4th & 5th Grade
Science
Ecosystem
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Q.1
By the breaking down of carbons through ______, nutrients in organic matter is restored back into the environment.
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photosynthesis
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decomposition
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biota
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erosion
Q.2
The ecosystem is controlled by ____________.
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water and nutrients
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internal and external factors
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soil and decomposition
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minerals and nitrogen
Q.3
This is the collection of organisms in a specific geographical region or time period.
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Topography
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Biota
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Ecosystem
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Carbons
Q.4
Ecosystems provide ___________ upon which animals and man depend.
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goods and services
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water and air
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carbon and nitrogen
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decomposition and climate
Q.5
The term “ecosystem” was introduced in the early 1930s by _______.
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Biota
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Topography
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Arthur Roy Clapham
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Photosynthesis
Q.6
This is a process in which man has tried to conserve the natural environment, as well as the species that exist within that environment.
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Natural resource management
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Topography
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Undisturbed environment
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Ecosystem management
Q.7
Some scientists consider the _____ as an ecosystem.
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planet
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rocks
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air
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environment
Q.8
Water, soil minerals, nitrogen and energy are all essential ______ components of an ecosystem.
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biota
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goods and services
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abiotic
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carbons
Q.9
This deals with specific resources for humans to use rather than the management of the ecosystem itself.
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Undisturbed environment
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Biota
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Natural resource management
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Species
Q.10
The community of living organisms with non-living organisms as they exist in their natural, undisturbed environment is known as ________.
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carbons
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decomposition
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biota
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ecosystem
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