Describe how wild animals have contributed to the survival, comfort, and growth of human populations
We have used wild animals for food, clothing and shelter for a very long time. Early colonists would not have survived the New World without wild animals, the N
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5
An ecosystem in which living organisms and non-living resources are maintained at constant levels is considered to be:
balanced
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5
Which of the following animals is known as the ‘rockchuck’?
yellow-bellied marmot
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5
Which of the following gnawing mammals is considered to be a true rodent?
rat
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5
Which pesticide is used to control weeds?
herbicide
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5
A scientist who studies relationships between living organisms and their environments is known as a/an:
ecologist
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5
Short bushes that grow on the forest floor make up which layer of forest vegetation?
shrub layer
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5
A person who studies nature is defined to be a:
naturalist
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5
Water that is clouded with suspended particles of silt is described as:
turbid
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5
Microscopic plants and animals found floating on the water’s surface where they provide food to aquatic animals are called:
plankton
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5
In the food chain, gnawing mammals are generally considered to be:
primary consumer
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10
State the law of conservation of matter and explain what it means.
Matter can be changed from one form to another, but cannot be created or destroyed by ordinary or physical processes. We cannot create or destroy matter, it is
