| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.99 |
| Score | 0% | 60% |
Which of the following is metamorphic rock?
coal |
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granite |
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obsidian |
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marble |
The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a biome |
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a food chain |
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a community |
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a population |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
__________ and __________ pair to strengthen bones.
vitamin D, magnesium |
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vitamin D, calcium |
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calcium, vitamin A |
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iron, calcium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
The Rh factor antigen in blood determines:
universal donor status |
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blood type |
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universal recipient status |
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postive or negative |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.
In the food chain, omnivores may be which of the following?
secondary or tertiary consumers |
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secondary consumers or scavengers |
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primary or tertiary consumers |
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primary or secondary consumers |
Secondary or tertiary consumers may be omnivores.