What are the seven characteristics that all living things share? Give examples of each characteristic (try to come up with new examples not found in the bookl). What are cells? Distinguish between prokaryotic and eukaryotic cells. What roles do organelles serve? Understand the hierarchy of life on Earth from smallest to largest (from atom to biosphere). What is evolution? What did Linnaeus contribute to our modern system of grouping living organisms? What is biology? What is science? Define peer review and explain how it is important to the scientific process. Distinguish between a scientific theory and a hypothesis. What are the steps of the scientific method? Can you work through an example of how to form and test a hypothesis? What is meant when we say a hypothesis must be falsifiable? Distinguish a hypothesis from an observation and from predictions. Additional Terms — Define and GIVE EXAMPLES when appropriate biology control deductive reasoning homeostasis variable science inductive reasoning organism cell homeostasis phylogenetic tree