| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.42 |
| Score | 0% | 68% |
During digestion, the kidneys filter substances from the blood. Which of the following is not filtered by the kidneys?
fats |
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minerals |
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water |
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salt |
Chemical waste like excess water, minerals, and salt are filtered from the blood by the kidneys and secreted into the urine. Urine is transported from the kidneys to the bladder through ureters.
The gravitational interaction of Earth and the Moon is responsible for which of these?
day and night cycle |
|
seasons |
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the northern lights |
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tides |
Tides are caused by the gravitational interaction of Earth and the Moon.
When compared to eukaryotic cells, prokaryotic cells are:
more complex |
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less complex |
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none of these |
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similarly complex |
Cells are classified into one of two groups based on whether or not they have a nucleus. Eukaryotic cells have a nucleus, prokaryotic cells do not have a nucleus and therefore have a less complex structure than eukaryotic cells.
A biological community of interacting organisms and their physical environment is known as:
community |
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biome |
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ecosystem |
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population |
An ecosystem is a biological community of interacting organisms and their physical environment. This includes both the biotic (living) and abiotic (non-living).
Cirrus clouds generally occur in what kind of weather?
stormy |
|
fair |
|
freezing |
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hot |
Cirrus clouds are thin, wispy high-altitude clouds composed of ice crystals that originate from the freezing of supercooled water droplets. Cirrus clouds generally occur in fair weather and point in the direction of air movement at their elevation.