| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.67 |
| Score | 0% | 73% |
__________ is caused by a lack of iron in the diet.
shingles |
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anemia |
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scurvy |
|
diabetes |
Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.
In the food chain, consumers are classified as which of the following?
all of these |
|
primary |
|
tertiary |
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secondary |
Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.
Stratus clouds are __________clouds characterized by horizontal layering with a broad flat base.
low-altitude |
|
mid-altitude |
|
high-altitude |
|
all-altitude |
Clouds are categorized based on their shape, size, and altitude. Stratus clouds are low-altitude clouds characterized by horizontal layering with a broad flat base. When stratus clouds occur on the ground the result is fog.
The rows of the Periodic Table of the Elements are called:
shells |
|
families |
|
periods |
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groups |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
The respiratory and circulatory systems are similar in that they:
deoxygenate blood |
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transport oxygen |
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transport nutrients |
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add carbon dioxide |
Like the respiratory system, the circulatory system serves to transport oxygen throughout the body while removing carbon dioxide. In addition, the circulatory system transports nutrients from the digestive system.