bio 102 exam 1 wsu lisa carloye Questions and Answers with complete solution

Hypothesis - Answer-An informed, logical and plausible explanation of observations of the natural world. What does it mean that a hypothesis must be "falsifiable"? - Answer-It must make predictions that can clearly be determined to be true or false, right or wrong. What types of questions cannot be explored using scientific methods? - Answer-Anything that can't be experimented. Ex: Is God real? What types of questions can science be used to explore? - Answer-Any question, prediction that an be tested in a scientific experiment to be proven falsifiable. Scientific Fact - Answer-A repeatable observation of the natural world. Confirmed result of an experiment. What is a "theory" in science? - Answer-An explanation of a group of related hypothesis that has been repeatedly confirmed by diverse lines of evidence. Why does science never claim to have proven a hypothesis? - Answer-Because the hypothesis may be supported by evidence but it is not proven to be true. What language do they used when the data indicate their hypothesis is true? - Answer-A hypothesis is supported. Correlation - Answer-Two or more aspects of the natural world behave in a interrelated manner. If one shows a particular value, we can predict a value for the other aspect. Causation - Answer-The action of causing something. Correlation does not establish causation. Cause and effect relationships = correlation Treatment Group - Answer-Those who are exposed to the independent variable.Control Treatment - Answer-Those who experience everything except the variable being tested. Independent Variable - Answer-Variable being manipulated by investigator. Dependent Variable - Answer-Any variable that can potentially respond to the changes in the independent variable. Predictions - Answer-What you would expect to see happen. What were the dependent and independent variables during the termite lab? - Answer-IndependentThe different pens Dependent- Termites & which way they moved Peer Review - Answer-Scientific journals that publish original research after it has passed the scrutiny of experts who have no direct involvement in the research under review. What variables did you control in the pillbug and termite experiments? - Answer-The same type of bugs, the time they were in the dishes, and the distance of the lines. Goal of Peer Review - Answer-Non bias and outright fraud. What are some pitfalls that can lead to wrong conclusions? - Answer-There are bias conclusions or poorly constructed research questions. Do cell phones cause brain cancer? - Answer-No, because there isn't enough evidence. Pseudo-science - Answer-Characterized by scientific sounding statements but are not actually based on the scientific method.What sorts of things can you look for in a study to help determine whether the methods are truly scientific? - Answer-Credentials, bias or an agenda, meet science standards, and peer review. What are some questions you can ask to help you determine the scientific credibility of a scientific claim? - Answer-Does the study meet science standards? How might causation vs correlation play into pseudoscientific claims? - Answer-Just because 2 things are both moving in the same direction does not mean that they are caused by one another. "False hope." What does the cell theory state? - Answer-Every living organism is composed of one of more cells and all cells living today came from a preexisting cell.