were similar in color to females and had lower levels of testosterone and often also deformed gonads. These changes can lead to sterile males or changes in behavior that prevent mating from occurring. At the end of their study, scientists stated that they had supported their theory that agricultural chemical cause deformities. A. True based on the data B. False because they would need more data to C.False because they were testing a hypothesis not a D. True because this was a controlled study.E. False because this collected during the study.prove a theory.theory.was a controlled study.Blooms Level: 2. UnderstandGradable: automatic Learning Outc ome: 01.03.03 Distinguish between a theory and a hy pothesis.Sec tion: 01.03Topic : General 42. Which of the following statements is not correctly matched with the scientific method term? A. Biologists suggested that 2-3 cups of coffee candecrease death rates among women - HypothesisB. Leslie set up mist netsto catch bats flying over a small stream. Each bat that was caught was weighed and sexed - Experimental designC. Bethany watched butterflies feeding in a large field of wild flowers. She noticed that more butterflies approached the yellow and purple flowers than the red flowers - ObservationD. A researcher reported that red-foot tortoises preferred red colored fruits and vegetables to those that were green or white colored - ConclusionE.All organisms are comprised of cells - DataBlooms Level: 4. Analy zeGradable: automatic Learning Outc ome: 01.03.02 Desc ribe the basic requirements for ac ontrolled experiment.Sec tion: 01.03Topic : General
43. An aspiring scientist in a biology class wanted to conduct a study on the affects of cigarette smoke on the web-building ability of spiders. Whichof the following statements is an incorrect use of terms pertaining to the scientific method? A.Robert wanted to see if his theory was true that cigarette smoke will influence web-building in spiders.observationthat spiders weave webs.of spiders that were never exposed to cigarette smoke.the webs from both the control group and the test group and the datawas recorded in a table.difference in the ability to weave a web under conditions of cigarette smoke compared to spiders that were not exposed.Blooms Level: 5. EvaluateGradable: automatic Learning Outc ome: 01.03.01 Identify the steps of the sc ientific method.Sec tion: 01.03Topic : General 44. Scientists were studying temperature selection amongst pregnant big brown bats. What would be the best control group for this study? A.
You've reached the end of your free preview.
Want to read all 30 pages?
- Fall '18
- Dr. Ernest Steel