| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.04 |
| Score | 0% | 61% |
Examples of secondary consumers include:
wolves |
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plankton |
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chickens |
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grasshoppers |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
large intestine |
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mouth |
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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.
In cell biology, what part of the cell contains organelles?
cytoplasm |
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nucleus |
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cell wall |
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cell membrane |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.
Which of the following is the narrowest classification of life?
genus |
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species |
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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.
Which of the following is the primary difference between a comet and an asteroid?
asteroids contain frozen water |
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comets have an atmosphere |
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comets orbit the Sun |
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asteroids have a coma |
A comet is a loose collection of ice, dust, and small rocky particles that, in contrast to an asteroid, has an extended atmosphere surrounding the center. When passing close to the Sun, this atmosphere warms and begins to release gases forming a visible coma or tail.