BIO 181 Exam 1 Review updated to pass

BIO 181 Exam 1 ReviewWhat are the five fundamental characteristics of life? - correct answer 1. Energy 2. Cells 3. Information 4. Replication 5. Evolution What are the steps of the scientific method? - correct answer 1. Observation 2. Question 3. Hypothesis 4. Test 5. Results/Conclusion How does a null hypothesis of an experiment differ from the hypothesis? - correct answer A null hypothesis specifies what should be observed if the hypothesis is incorrect and a hypothesis is a testable statement to explain a phenomenon or a set of observations Why are controls an important part of good experimental design? - correct answer 1. They allow for casual relationship to be established, allows for direct comparison. 2. If one group works one doesn't know if the next one will, you must have many test groups. 3. More accurate, represents population better What is the benefit of having a large sample size? - correct answer Multiple experiments, better controls What does the cell theory state? - correct answer 1.All organisms are made up of cells 2. All cells come from preexisting cells