| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
Which of the following is the narrowest classification of life?
species |
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family |
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genus |
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domain |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.
Examples of primary consumers include:
fish |
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cows |
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all of these |
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rats |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
The heat from the Sun traveling to Earth is an example of which of the following?
conduction |
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radiation |
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convection |
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electricity |
Radiation occurs when electromagnetic waves transmit heat. An example is the heat from the Sun as it travels to Earth.
Which of the following states of matter exists at the highest temperature?
none of these |
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gas |
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liquid |
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solid |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
Earth's history is divided into time periods, which of these is the shortest time period?
period |
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eon |
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epoch |
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age |
The Earth is approximately 4.6 billion years old and its history is divided into time periods based on the events that took place and the forms of life that were dominant during those periods. The largest graduation of time is the eon and each eon is subdivided into eras, eras into periods, periods into epochs, and epochs into ages.