| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.33 |
| Score | 0% | 67% |
Poor balance could indicate an issue with which part of the nervous system?
cerebrum |
|
medulla |
|
spinal cord |
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cerebellum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
In the classification of life, which of the following is not a domain?
bacteria |
|
animalia |
|
archaea |
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eukaryota |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
The brain and spinal cord make up the __________ nervous system.
peripheral |
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somatic |
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central |
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autonomic |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.
Cellular fermentation takes place:
aerobically |
|
anaerobically |
|
in plant cells |
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in the presence of oxygen |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
A biological community of interacting organisms and their physical environment is known as:
population |
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community |
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ecosystem |
|
biome |
An ecosystem is a biological community of interacting organisms and their physical environment. This includes both the biotic (living) and abiotic (non-living).