| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.02 |
| Score | 0% | 60% |
What part of the food chain serves only as food for other organisms?
decomposers |
|
primary consumers |
|
secondary consumers |
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producers |
Producers (autotrophs) serve as a food source for other organisms. Typical producers are plants that can make their own food through photosynthesis and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis
Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?
convection |
|
radiation |
|
conduction |
|
reflection |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
Neurons are part of the __________ nervous system.
autonomic |
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central |
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somatic |
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peripheral |
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.
Which of the following represents the largest value?
1 cL |
|
1 ML |
|
1 kL |
|
1 mL |
Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.
Which of these is not a phase in cell division?
cytokinesis |
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interphase |
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anaphase |
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megaphase |
Cell division is the process by which cells replicate genetic material in the nucleus and consists of several phases, beginning with interphase and ending with cytokinesis.