Science Topic You Need to Know

Multiple Choice

1. The theme that reflects the idea that there has been a gradual change in the characteristics of species over time is _____.

2. Living things adjust to a stimulus by a reaction called a(n) _____.

3. The information gathered from experiments is called _____.

4. A structured procedure for collecting information to test a hypothesis is a(n) _____.

5. A scientific explanation of known facts arrived at through repeated testing over time is a(n) _____.

6. Why is the hypothesis that black cats cause bad luck not science?

7. Quantitative research is often reported as _____ to aid understanding.

8. _____ research is usually based on numerical measurements.

9. Students of a biology class ran an experiment on a type of flowering plant. Their goal was to find the optimal time in the plant’s life for flowering. What time period will provide the most flowering plants? Use Table 1-1 to determine your answer.

10. Which of the examples shows a response to a stimulus?

11. Some birds are known as honey guides because they may be followed by humans to wild beehives. When the humans take honey from the hives, the birds are able to feast on the honey and bees, too. This type of relationship can best be described as _____.

12. Cougars are predators that often eat weakened or diseased animals. This is a description of the _____ of cougars.

13. An ecologist who studies how several species in an area interact among each other and with the abiotic parts of the environment is interested in the biological organization level called a(n) _____.