| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.20 |
| Score | 0% | 64% |
Water freezing or boiling is an example of which of the following?
cooling |
|
heating |
|
sublimation |
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phase transition |
A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.
Secondary consumers that also eat producers are known as:
herbivores |
|
omnivores |
|
scavengers |
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carnivores |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.
When the clouds become too saturated with water, the water is released as precipitation in the form of:
snow |
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rain |
|
ice |
|
snow or ice |
Rising into the atmosphere, the water condenses into clouds. When the clouds become too saturated with water, the water is released as snow or ice precipitation which may warm as it falls to reach Earth as rain.
A biological community of interacting organisms and their physical environment is known as:
community |
|
biome |
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population |
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ecosystem |
An ecosystem is a biological community of interacting organisms and their physical environment. This includes both the biotic (living) and abiotic (non-living).
Which of the following states of matter exists at the lowest temperature?
none of these |
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liquid |
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solid |
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gas |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.