25 Study Questions for Exam 1 1. How are predictions and conclusions linked in the scientific process? 2. How can you differentiate a causal question from other kinds of questions? 3. What is the difference between a causal and descriptive question? 4. What is the difference between a causal question, hypothesis, a prediction and a conclusion? 5. What is the difference between correlation and causation? 6. How does the use of controls help in demonstrating cause and effect? 7. Why do both lab and field experiments? 8. Why is it important to replicate trials in experiments? 9. What evidence is used in providing a scenario for how life originated on earth? 10. What evidence is used for concluding that life originate only once on earth? 11. What would you expect to see if life on earth had multiple independent origins? 12. What characteristics (if any) define the: protists, animalia, fungi, plantae? 13. Why are homologous traits used in phylogenies rather than analogous (non-
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