| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.62 |
| Score | 0% | 72% |
The __________ is a system of muscles that allows breathing.
trachea |
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bronchioles |
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diaphragm |
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pulmonary |
The diaphragm is a system of muscles that allows breathing. During inhalation, the diaphragm expands and air rushes in to fill the space created. Then, during exhalation, the diaphragm contracts and forces the air back out.
Secondary consumers that also eat producers are known as:
carnivores |
|
herbivores |
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omnivores |
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scavengers |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.
Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?
convection |
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conduction |
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reflection |
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radiation |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
__________ is caused by a lack of iron in the diet.
anemia |
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diabetes |
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scurvy |
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shingles |
Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic mass |
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number of electron shells |
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atomic number |
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atomic weight |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.