| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.59 |
| Score | 0% | 72% |
In the classification of life, bacteria, archaea and eukaryota are which of the following?
kingdoms |
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classes |
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species |
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domains |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
Water freezing or boiling is an example of which of the following?
cooling |
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phase transition |
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heating |
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sublimation |
A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.
In the metric system, what prefix represents 10-3?
centi |
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milli |
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kilo |
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mega |
In the metric system, milli is the prefix for 10-3.
An air mass is a large body of air that has which of the following characteristics?
similar density |
|
similar temperature |
|
all of these |
|
similar moisture |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
Which of the following is the narrowest classification of life?
family |
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genus |
|
domain |
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species |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.