1. Introduction to Biology
Scientific Method
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Practice this topic
- Multiple Choice
Which of the following shows the best order of steps of the scientific method?
- Open Question
A scientist observes that even after sterilizing a broth, cells reappear in the broth over time. The scientist then asks: 'Why do cells reappear in the broth after sterilization?' and designs/conducts an experiment. Considering this, appropriately label each of the following blanks as either a 'prediction, hypothesis or theory.'
________________: Cells will only appear in the broth exposed to a source of preexisting cells.
________________: Cells appear only when preexisting cells grow & divide; therefore, cells only appear in exposed broths.
________________: All organisms consist of cells & all cells come from preexisting cells.
- Multiple Choice
Which of the following statements about the cell theory is false?
- Multiple ChoiceExperimentation is only one part of the process of scientific inquiry, but it is a very important step because it __________.
- Multiple ChoiceWhich of the following statements most clearly demonstrates inductive reasoning?
- Open QuestionWhich of the following is an example of inductive reasoning?a. All cows eat grass;b. My cow eats grass and my neighbor's cow eats grass; therefore, all cows probably eat grass;c. If all cows eat grass, when I examine a random sample of all the cows in Minnesota, I will find that all of them eat grass;d. Cows may or may not eat grass, depending on the type of farm where they live
- Open QuestionA scientific hypothesis is .a. an opinion;b. a proposed explanation for an observation;c. a fact;d. easily proved true;e. an idea proposed by a scientist
- Open QuestionIn science, a theory is a(n) .a. educated guess;b. inference based on a lack of scientific evidence;c. idea with little experimental support;d. body of scientifically acceptable general principles;e. statement of fact