| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.45 |
| Score | 0% | 69% |
The connective tissue that connects bones to other bones at joints is called:
knuckles |
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tendons |
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cartilage |
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ligaments |
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).
Which of the following is not part of the carbon cycle?
respiration |
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decomposition |
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precipitation |
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photosynthesis |
The carbon cycle represents the ciruit of carbon through Earth's ecosystem. Carbon dioxide (CO2) in the atmosphere is absorbed by plants through photosynthesis. Plants then die and release carbon back into the atmosphere during decomposition or are eaten by animals who breathe (respiration) the carbon into the atmosphere they exhale and produce waste which also releases carbon as it decays.
In cell biology, where does DNA replication take place?
nucleus |
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Golgi apparatus |
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mitochondria |
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cytoplasm |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
Herbivores are __________ that subsist on producers like plants and fungus.
scavengers |
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tertiary consumers |
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primary consumers |
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secondary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
The __________ is a system of muscles that allows breathing.
diaphragm |
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trachea |
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pulmonary |
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bronchioles |
The diaphragm is a system of muscles that allows breathing. During inhalation, the diaphragm expands and air rushes in to fill the space created. Then, during exhalation, the diaphragm contracts and forces the air back out.