| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.25 |
| Score | 0% | 65% |
Water freezing or boiling is an example of which of the following?
sublimation |
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phase transition |
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heating |
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cooling |
A substance undergoes a phase transition when it moves from one state of matter to another, for example, when water freezes or boils.
The most diverse kindgom of life is which of the following?
protists |
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animals |
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fungi |
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plants |
Below domain, life is classified into six kingdoms: plants, animals, archaebacteria, eubacteria, and fungi. The last kingdom, protists, include all microscopic organisms that are not bacteria, animals, plants or fungi. (Archaebacteria and eubacteria are sometimes combined into a single kingdom, monera.)
Which of the following members of the food chain are most alike?
scavengers and decomposers |
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primary consumers and omnivores |
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producers and tertiary consumers |
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herbivores and autotrophs |
Like decomposers, scavengers also break down the dead bodies of plants and animals into simple nutrients. The difference is that scavengers operate on much larger refuse and dead animals (carrion). Decomposers then consume the much smaller particles left over by the scavengers.
What part of the brain is responsible for for balance, movement, and muscle coordination?
cerebellum |
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cerebrum |
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medulla |
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brainstem |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
medulla |
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cerebellum |
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cerebrum |
|
brainstem |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).