Bio 180 Exam 1 Quizzes with 100% Correct Solutions

Bio 180 Exam 1 Quizzes with 100% Correct Solutions What is the difference between a theory and a hypothesis? - ANSWER - Only scale--theories deal with "big ideas" that impact large parts of the physical or natural world; hypotheses are more focused or narrower in scope. What is the difference between a hypothesis and a prediction? - ANSWER - A hypothesis is an idea--a testable explanation; a prediction is something that follows from a hypothesis and that you can measure Which of the following is a prediction based on the cell theory that all organisms are made of cells, and all cells come from preexisting cells? - ANSWER - If you boil nutrient broth and place it in an air-tight flask, no cells will appear in the broth What was important about the experimental design for Pasteur's flask experiment? - ANSWER - He compared results from two experimental setups which differed only in the type of flask in which the nutrient broth was placed How do biologists test their ideas about the natural world? - ANSWER - Scientists make predictions based on hypotheses they have developed, and then design experiments or other types of studies to test those predictions. Why is it important to perform multiple trials in an experiment -- meaning that you include many test individuals or samples? - ANSWER - To make it more likely that the results are not due to a few unusual individuals or circumstances What does the p in "p-value" represent?