Biology Unit One Exam Review You are responsible for studying and knowing all of the information that was presented in class. Please review your composition notebook and assignments. Please answer the following questions on your OWN sheet of paper. Characteristics of Life 1. What is Biology? 2. List each of the seven characteristics of life AND give two real life examples of each. 3. Are viruses living? Explain using details from the article we read in class. Scientific Method 1. Explain the difference between an independent variable and a dependent variable. 2. What was the independent variable in the Brine Shrimp Lab? 3. What is scientific method used for? 4. How many independent variables are tested during an experiment? 5. List the steps of the scientific method in order. Give an example of each step by making up a scientific problem/question to be tested. 6. Explain the difference between a control group and experimental group. 7. Describe how you would set up an experiment to test which color of light a plant would grow the best under. Identify the independent variable, dependent variable, control variables, control group, and experimental group in your description. 8. Using your hypothetical experiment from the previous question, set up a graph that could be used to display your data. Include all important parts of a graph. 9. What salt solution provided the best environment for the hatching and growth of brine shrimp? Spontaneous Generation 1. Describe Spontaneous Generation in your own words. 2. Why did it take so long to disprove Spontaneous Generation? 3. Who was Redi and what was his experiment? 4. Who was Spallanzani and what did he find out? 5. Did Needham try to prove or disprove Spontaneous Generation? 6. What was Pasteur's contribution to disproving Spontaneous Generation?