| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.51 |
| Score | 0% | 70% |
Which of the following states of matter exists at the lowest temperature?
none of these |
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solid |
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liquid |
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gas |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
A dominant trait will be expressed when paired with:
a gene |
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a recessive trait |
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a chromosome |
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a dominant trait |
The traits represented by genes are inherited independently of each other (one from the male and one from the female gamete) and a trait can be dominant or recessive. A dominant trait will be expressed when paired with a recessive trait while two copies of a recessive trait (one from each parent) must be present for the recessive trait to be expressed.
In the food chain, consumers are classified as which of the following?
primary |
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tertiary |
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secondary |
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all of these |
Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.
As part of digestion, the liver produces bile which breaks down:
fat |
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protein |
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starches |
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sugars |
The liver produces bile which emulsifies (separates) fat.
Which of the following is not a terrestrial planet?
Venus |
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Jupiter |
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Mercury |
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Earth |
The four planets closest to the Sun (Mercury, Venus, Earth, and Mars) are called terrestrial (Earth-like) planets because, like the Earth, they're solid with inner metal cores covered by rocky surfaces.