Your Results | Global Average | |
---|---|---|
Questions | 5 | 5 |
Correct | 0 | 3.59 |
Score | 0% | 72% |
When two air masses meet and neither is displaced, what kind of front is present?
stationary |
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cold |
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warm |
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occluded |
When two air masses meet and neither is displaced, a stationary front is created. Stationary fronts often cause persistent cloudy wet weather.
In cell biology, what part of the cell contains organelles?
cell wall |
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nucleus |
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cytoplasm |
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cell membrane |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.
Herbivores are __________ that subsist on producers like plants and fungus.
primary consumers |
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secondary consumers |
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scavengers |
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tertiary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
Tough fibrous cords of connective tissue that connect muscles to the skeleton are called:
cartilage |
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tendons |
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ligaments |
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vertebra |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
__________ is caused by a lack of iron in the diet.
scurvy |
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shingles |
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anemia |
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diabetes |
Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.