NAS 2 Challenge Exam Answered 100% Correct

Scientific Method - ANSWER-A series of steps followed to solve problems Steps of scientific method - ANSWER-1. Ask questions 2. Hypothesis 3. Test hypothesis 4. Analyze results 5. Draw conclusion 6. Report results Independent Variable - ANSWER-What is changed Dependent Variable - ANSWER-What is measured Control - ANSWER-Constant Anatomy - ANSWER-Study of structure Physiology - ANSWER-Study of functions levels of Organization - ANSWER-1. Chemicals 2. Cells 3. Tissues 4. Organs 5. Body system 6. Organism Life Functions - ANSWER-1. Maintain boundary 2. Movement 3. Excretion 4. Growth 5. Reproduction 6. Digestion 7. Responsiveness Survival Needs - ANSWER-Water Oxygen Stable body temperature Atmosphere pressure Nutrients