CHAPTER 1 STUDY OUTLINE How do Unity and Diversity go together? 1. Unity 2. Diversity 3. Scale How is this the Golden Age of biology? 1. Genetic engineering 2. Ancestry How are Scale and Scope two factors of life? 1. Very small to very large 2. Width and breadth of biology What’s the difference between prokaryotic and eukaryotic cells? 1. Nucleus How many species exist and how are they ordered? 1. Known versus unknown 2. Taking inventory; five Kingdom system

2 How is evolution the unifying theme of all biology? 1. Change 2. The Tree of Life What role did Charles Darwin play? 1. The Origin of Species, 1859 2. Two main points 3. Descent 4. Nature What is natural selection? 1. Fitness 2. The Earth changes How does science work, what is the scientific method? 1. Observations, questions, hypotheses 2. Experiments, conclusions