| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.04 |
| Score | 0% | 61% |
Which of the following temperatures is least like the others?
32°F |
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0K |
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absolute zero |
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-273°C |
Absolute zero is the coldest possible temperature in the universe. In the Kelvin scale, absolute zero is 0K and in the Celsius scale it is -273°C.
Which of the following indicates the correct reproductive sequence?
zygote → ovum → fetus |
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ovum → zygote → fetus |
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ovum → fetus → zygote |
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none of these are correct |
During intercourse, the penis ejaculates sperm, produced in the testes, into the vagina. Some of the sperm makes their way to the uterus where, if they encounter an egg to fertilize, unite with the ovum to form a fertilized egg or zygote. The zygote then may implant in the uterus and eventually develop into a fetus.
Scalar quantities are fully described by which of the following?
a magnitude only |
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a magnitude and a direction |
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a magnitude and a polarity |
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a direction only |
Velocity and displacement are vector quantities which means each is fully described by both a magnitude and a direction. In contrast, scalar quantities are quantities that are fully described by a magnitude only. A variable indicating a vector quantity will often be shown with an arrow symbol: \(\vec{v}\)
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.
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
habitats |
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animals |
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minerals |
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plants |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).