| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.78 |
| Score | 0% | 76% |
An endoskeleton (internal skeleton) is a charateristic of __________ animals, including humans.
arthropod |
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spiny |
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vertebrate |
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sentient |
An endoskeleton (internal skeleton) is a charateristic of vertebrate animals, including humans.
The process of diffusion allows __________ to exchange oxygen, carbon dioxide, nutrients, and waste between blood and the body's cells.
red blood cells |
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capillaries |
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arteries |
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veins |
Capillaries are small thin-walled vessels that permit the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and the body's cells. This process of exchange is called diffusion.
The heat from the Sun traveling to Earth is an example of which of the following?
conduction |
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convection |
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radiation |
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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 is not a base unit in the metric system?
degree Fahrenheit |
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gram |
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liter |
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meter |
The Fahrenheit scale is used for measuring temperature in the British system. The metric system uses the Celsius scale.
In the classification of life, which of the following is not a kingdom?
plants |
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animals |
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fungi |
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bacteria |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)