1. Fig. 1-3a, p. 4 atom moleculecelltissueorganorgan system

2. Fig. 1-3b, p. 4 multicelled organismpopulationcommunityecosystem biosphere

3. Energy input, from sun Nutrient cycling energy output (mainly metabolic heat) Fig. 1-4, p. 6 Producers Consumers

4. Table 1-1, p. 8 BacteriaArchaeaEukarya

5. Fig. 1-8, p. 8

7. Table 1-2, p. 11

8. Table 1-3, p. 12

9. Fig. 1-10, p. 13

10. Table 1-4, p. 13

11. Results Control Group Eats regular potato chips Experimental Group Eats Olestra potato chips Experiment Control Group Eats regular potato chips Experimental Group Eats Olestra potato chips Hypothesis Olestra® causes intestinal cramps. Prediction People who eat potato chips made with Olestra will be more likely to get intestinal cramps than those who eat potato chips made without Olestra Conclusion Percentages are about equal. People who eat potato chips made with Olestra are just as likely to get intestinal cramps as those who eat potato chips made without Olestra. These results do not support the hypothesis. Stepped Art Fig. 1-11, p. 14