| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.34 |
| Score | 0% | 67% |
The dwarf planet Pluto is located where?
between the orbits of Jupiter and Saturn |
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in the asteroid belt |
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in the Kuiper Belt |
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outside the solar system |
The Kuiper Belt is similar to the asteroid belt but much larger. Extending beyond the orbit of Neptune, it contains objects composed mostly of frozen methane, ammonia, and water. Most notably, the Kuiper Belt is home to Pluto, a dwarf planet that, until a 2006 reclassification, was considered the ninth planet of the solar system.
What part of the nervous system is responsible for controlling involuntary actions like breathing, swallowing, and heartbeat?
spinal cord |
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cerebellum |
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medulla |
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cerebrum |
Part of the brainstem, the medulla is the connection between the brain and the spinal cord. It controls involuntary actions like breathing, swallowing, and heartbeat.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
cirrus clouds |
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nimbus clouds |
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cumulus clouds |
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stratus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.
In a eukaryotic cell, which organelles deal with proteins?
all of these deal with proteins |
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endoplasmic reticulum |
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Golgi apparatus |
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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.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a population |
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a community |
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a food chain |
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a biome |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).