| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.66 |
| Score | 0% | 73% |
In the foood chain, producers 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 |
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photosynthesis |
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autotrophs |
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decomposition |
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
What part of the food chain serves only as food for other organisms?
producers |
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primary consumers |
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secondary consumers |
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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
A human heart consists of how many chambers?
2 |
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8 |
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4 |
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1 |
The heart is the organ that drives the circulatory system. In humans, it consists of four chambers with two that collect blood called atria and two that pump blood called ventricles. The heart's valves prevent blood pumped out of the ventricles from flowing back into the heart.
__________ is caused by a lack of iron in the diet.
scurvy |
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diabetes |
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shingles |
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anemia |
Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.
The gravitational interaction of Earth and the Moon is responsible for which of these?
day and night cycle |
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tides |
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the northern lights |
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seasons |
Tides are caused by the gravitational interaction of Earth and the Moon.