Bio 205 exam 1 csulb with accurate answers 2024

Bio 205 exam 1 What is science? - correct answer Knowledge or a system of knowledge covering general truths or the operation of general laws especially as obtained and tested through scientific method Scientific Method Steps - correct answer See a problem ● Make a hypothesis ● Design an experiment / Scientific method: ● Test!!! ○ Again and again and again ● Math :( ● Share results with others ○ Peer review Laws - correct answer describes a natural occurrence without attempting to explain WHY Scientific Theory - correct answer explains an occurrence, must be well supported by scientific community Hypothesis - correct answer a proposed explanation; tries to solve a problem Null Hypothesis - correct answer the converse of the expected results. Usually we say there will be "no trend" or any trend we do observe is due to chance. Alternative/Operational Hypothesis - correct answer a falsifiable statement of the predicted results Experiment - correct answer an orderly procedure carried out with the goal of verifying, refuting, or establishing the validity of a hypothesis Variables - correct answer characteristic that is being measured(changes) Controls - correct answer static characteristic (remains unchanged) Properties of Life (1) Order - correct answer must be made up of cells & must conform to life's hierarchy of organization