| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.49 |
| Score | 0% | 70% |
What part of the food chain serves only as food for other organisms?
primary consumers |
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producers |
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decomposers |
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secondary consumers |
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
The energy posessed by a thrown baseball is an example of what kind of energy?
kinetic |
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potential |
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transitional |
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gravitational |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.
An element in the physical state of __________ maintains neither a constant volume nor a constant shape.
plasma |
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solid |
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gas |
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liquid |
The gaseous state occurs at a higher temperature range than the solid and liquid states of the same substance. In this state, molecules flow very freely around each other and will spread out as far as they're able. Gases maintain neither a constant volume nor a constant shape.
Bronchioles, alveolus, and capillaries are vital parts of which bodily system?
digestion |
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circulation |
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nervous |
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respiration |
The trachea branches into the left and right bronchi which each lead to a lung where the bronchi subdivide into smaller tubes called bronchioles. Each bronchiole ends in a small sac called an alveolus which allows oxygen from the air to enter the bloodstream via tiny blood vessels called capillaries.
During digestion, after proteins are broken down where does the undigested food go next?
large intestine |
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esophagus |
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small intestine |
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stomach |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.