| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.05 |
| Score | 0% | 61% |
Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of:
1 m/s2 to a mass of 1 kg |
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1 m/s to a mass of 1 kg |
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1 m/s2 to a mass of 1 kg/s2 |
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1 mph to a mass of 1 kg |
Weight is a force that describes the attraction of gravity on an object. Force is measured in newtons (N) with 1 N being the force required to impart an acceleration of 1 m/s2 to a mass of 1 kg.
Herbivores are __________ that subsist on producers like plants and fungus.
primary consumers |
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scavengers |
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tertiary consumers |
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secondary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
In a eukaryotic cell, which organelles deal with proteins?
Golgi apparatus |
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all of these deal with proteins |
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endoplasmic reticulum |
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ribosomes |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles. Ribosomes produce proteins, endoplasmic reticulum helps synthesize proteins and fats, and Golgi apparatus prepares proteins for use.
In the metric system, what prefix represents 103?
milli |
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centi |
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kilo |
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mega |
Kilo is the metric system prefix for 103.
Which part of the respiratory system helps protect against infection?
trachea |
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epiglottis |
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pharynx |
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nasal cavity |
After air enters through the nose, it passes through the nasal cavity which filters, moistens, and warms it. Further filtering takes place in the pharynx, which also helps protect against infection, and then in the trachea which is just past the epiglottis, responsible for preventing food from entering the airway.