Exam 1: The Nature of Science

Match the correct terms with the sentences below. -________your results to fellow scientists for their review and input.

A student complains about the requirement of taking a biology course.She states that she is capable of following the "set recipe" of the scientific method,but she does not believe that science is useful because it cannot answer all questions.Explain to this student the types of questions science can answer.Also address her misunderstanding of the scientific method.

When a hypothesis is well constructed,a prediction can be made using a(n)"________" statement.

A parent heard a celebrity on television stating there was a study published in 1998 that asserted a connection between the measles-mumps-rubella (MMR)vaccine and the onset of autism in children.The celebrity went on to say that after the MMR vaccine replaced the old simple measles vaccine in 1988 there was a 273 percent increase in autism rates during the next 11 years.The celebrity,however,did not reveal that the study published in 1998 included a sample size of 12 children who were already known to have some form of autism or similar developmental difficulties.He also did not present the evidence from hundreds of studies conducted since 1998 that show no connection between vaccines and the onset of autism.What was the hypothesis,regarding vaccines and autism,implied by the celebrity? State at least two obvious problems with the structure of the 1998 study.

Read each statement and identify whether the statement is a scientific fact, a scientific theory, or an opinion. Choices may be used more than once or not at all. -Treating human infections and maintaining hygiene is based on substantial knowledge of germs.

David Blehert and his research team captured 117 healthy bats to study in the laboratory and divided them into four groups.Group 1 was housed in an area free from the fungus Geomyces destructans.Group 2 was housed in an area that shared the same air as bats infected with WNS,but these bats did not have direct contact with the infected bats.Group 3 was housed in direct contact with other bats infected with WNS.Bats in group 4 were directly exposed to Geomyces destructans when it was applied to their wings.During the study period the bats were monitored for signs of WNS.Which group is the control group?

Carbon,hydrogen,and oxygen atoms are held together by chemical bonds to form ________ of sugar.

Read each statement and identify whether the statement is a scientific fact, a scientific theory, or an opinion. Choices may be used more than once or not at all. -The most beautiful sunsets are those observed in deserts.

Match the following terms with the corresponding characteristic of life. -the smallest living unit

Which of the following would be a theory?

A researcher studying a group of individuals of the same species living and interacting in a shared environment is said to be working at the level of a

A patient often experiences numbness and pain in the thumb and first two fingers on his right hand.He goes to the doctor,who suspects that carpal tunnel syndrome is the reason for the numbness and pain.The doctor then orders a simple test to see how fast nerve impulses are moving up and down the patient's arm.The doctor's preliminary diagnosis of carpal tunnel syndrome is a(n)

Which of the following would be a fact?

The claim has been made that women may be able to achieve significant improvements in memory by taking Gingko biloba supplements.To determine if the claim is fraudulent and prior to accepting this claim,what type of evidence would you like to see? Provide brief details of an investigative design.

Explain why hypotheses can be supported,but never proven absolutely true.

A direct and repeatable observation of any aspect of the natural world can be considered a scientific ________.

Recently,beekeepers have noticed an alarming and sudden disappearance of honeybees from their hives.Some beekeepers and environmentalists worry that crops genetically engineered to produce Bt insecticidal toxin may be killing the bees.Which of these experiments tests the hypothesis that Bt toxin is killing the bees?

A tissue is defined as

Match the following terms with the corresponding characteristic of life. -genetic material used to transfer information from parent to offspring

Explain the self-correcting nature of science.