| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.81 |
| Score | 0% | 56% |
Which of the following is true about species groups?
a population is made up of a group of communities |
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a biome is a made up of a group of biospheres |
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a community is made up of a group of populations |
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an ecosystem is a biological population |
A population is a group of organisms of the same species who live in the same area at the same time. A community is a group of populations living and interacting with each other in an area.
Which of the following represents the largest value?
1 mL |
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1 kL |
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1 ML |
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1 cL |
Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.
Examples of primary consumers include:
fish |
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cows |
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all of these |
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rats |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
Which of the following temperatures is least like the others?
0K |
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-273°C |
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32°F |
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absolute zero |
Absolute zero is the coldest possible temperature in the universe. In the Kelvin scale, absolute zero is 0K and in the Celsius scale it is -273°C.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
stomach |
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large intestine |
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mouth |
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small intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.