| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.03 |
| Score | 0% | 61% |
Which of the following is the narrowest classification of life?
species |
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genus |
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family |
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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.
What part of the food chain serves only as food for other organisms?
primary consumers |
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secondary consumers |
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producers |
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decomposers |
Producers (autotrophs) serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis
Which of these represents the path of blood flow through the heart?
left atrium → left ventricle → lungs → right atrium → right ventricle |
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right atrium → right ventricle → lungs → left atrium → left ventricle |
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right atrium → left ventricle → lungs → left atrium → right ventricle |
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left atrium → right ventricle → lungs → left atrium → right ventricle |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
When the clouds become too saturated with water, the water is released as precipitation in the form of:
ice |
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rain |
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snow or ice |
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snow |
Rising into the atmosphere, the water condenses into clouds. When the clouds become too saturated with water, the water is released as snow or ice precipitation which may warm as it falls to reach Earth as rain.
What part of the brain is responsible for for balance, movement, and muscle coordination?
brainstem |
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medulla |
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cerebellum |
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cerebrum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.