| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.42 |
| Score | 0% | 68% |
The __________ nervous system controls voluntary actions.
somatic |
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autonomic |
|
central |
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peripheral |
Part of the peripheral nervous system, the somatic nervous system is made up of nerve fibers that send sensory information to the central nervous system and control voluntary actions.
Changes to an object's speed or direction of motion are caused by which of the following?
kinetic energy |
|
work |
|
a force |
|
power |
Force is applied to change an object's speed or direction of motion.
An air mass is a large body of air that has which of the following characteristics?
similar density |
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similar temperature |
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similar moisture |
|
all of these |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
The rows of the Periodic Table of the Elements are called:
groups |
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periods |
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families |
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shells |
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.
Herbivores are __________ that subsist on producers like plants and fungus.
secondary consumers |
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scavengers |
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tertiary consumers |
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primary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.