| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.63 |
| Score | 0% | 73% |
Herbivores are __________ that subsist on producers like plants and fungus.
scavengers |
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primary consumers |
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secondary consumers |
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tertiary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
What kind of weather front is likely to create clouds and storms?
warm front |
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temperate front |
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cold front |
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stationary front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
In cell biology, where does DNA replication take place?
Golgi apparatus |
|
mitochondria |
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cytoplasm |
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nucleus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
Which of the following is not a base unit in the metric system?
degree Fahrenheit |
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liter |
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gram |
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meter |
The Fahrenheit scale is used for measuring temperature in the British system. The metric system uses the Celsius scale.
Which of the following describes the Earth's mantle?
all of these |
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hot |
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dense |
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makes up most of Earth's volume |
Mantle makes up 84% of the Earth's volume and has an average thickness of approximately 1,800 miles (2,900 km). It is dense, hot, and primarily solid although in places it behaves more like a viscous fluid as the plates of the upper mantle and crust gradually "float" along its circumference.