Contemporary Issues in Biology Exam 1 Review Questions and Answers 2024

Contemporary Issues in Biology Exam 1 Review Questions and Answers 2024 What is Science - Answer- the process of using observations and experiments to draw evidence-based conclusions anecdotal evidence - Answer- an informal observation that has not been systemically tested peer review - Answer- a process in which independent scientific experts read scientific studies before their publication to ensure that the authors have appropriately designed and interpreted their study The reviewers cannot have any personal or professional relationship with the authors hypothesis - Answer- a testable and falsifiable explanation for a scientific observation or question testable - Answer- a hypothesis is testable if it can be supported or rejected by carefully designed experiments or no experimental studies falsifiable - Answer- describes a hypothesis that can be ruled out by data that show that the hypothesis does not explain the observation experiment - Answer- a carefully designed test, the results of which will either support or rule out a hypothesis experimental group - Answer- the group in an experiment that experiences the experimental intervention or manipulation control group - Answer- the group in an experiment that experience no experimental intervention or manipulation placebo - Answer- a fake treatment given to control groups mimic the experience of the experimental groups placebo effect - Answer- the effect observed when members of a control group display a measurable response to a placebo because they think that they are receiving a "real" treatment independent variable - Answer- the variable, or factor, being deliberately changed in the experimental group dependent variable - Answer- the measured result of an experiment, analyzed in both the experimental and control groups scientific theory - Answer- a hypothesis that is supported by many years of rigorous testing and thousands of experiments correlation - Answer- a consistent relationship between two variables scientific method - Answer- observation, hypothesis, test of hypothesis (educated guess), results difference between everyday theory and scientific theory - Answer- everyday theory: great idea based on a person's experience and knowledge scientific theory: important hypotheses supported by thousands of scientific experiments Which one of the following statements are false? - Answer- -The prostate can get as large as a peach. -Vasectomies increase the risk of prostate cancer.*** -A prostate tumor is more aggressive if it has a higher Gleason scale