biologu

Question 1

if a company claims that its product has been proven scientifically, which of the following should have taken place if the results are to be considered reliable.A. The company should have held discussions with leading industry scientists.
B. Technology should have been used in both the gathering of data and data analysis.
C. Results should have been peer reviewed and repeated producing the same findings.
D. The results of the investigation should have been published in popular magazines.

Answer 1

Results should have been peer reviewed and repeated producing the same findings.

Question 2

Based on your knowledge of scientific investigations, which stage of scientific investigation did the invention of the microscope significantly advance?A.Communicating the results of experimentation
B.Gathering the data for the investigation C.Generating explanations of phenomena D.Planning the investigation and experimentation.

Answer 2

Gathering the data for the investigation

Question 3

A student is conducting an investigation to determine the effect of temperature on the metabolism of yeast(Saccharomyces cerevisiae). Yeast and sugar are added to water, the gas produced is captured and its volume is recorded. Which variables should be held constant during this investigation?

Answer 3

Mass of yeast and mass of sugar

Question 4

Scientific law and a scientific theory are similar in that both

Answer 4

represent a large amount of scientific investigation and evidence.