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life science pretest
Question | Answer |
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1. The facts, figures, charts, graphs, and other evidence gained through observaton. | |
2. The part of a scientific investigation that is used for comparison is the? | |
3. Which concept is the best illustrated by this diagram? | |
4. The variable that changes in response to a change made by the scientist is the? | |
5. DNA is essential to living organisms because it? | |
6. What is the mass of this object? Round answer to the nearest tenth. | |
7. The variable that a scientist changes on purpose during a controlled experiment is called the? | |
8. The presence of permafrost is a characteristic of which major biome? | |
9. | |
10. In a food chain, the numbers of each type of population are usually in a relatively stable combination. A diagram of a food chain is shown here. If humans interfered by spaying an insecticide to kill the insects,what would happen? | |
11. |