Controlled experiments are experiments that have only one variable. All other factors in the experiment are kept the same.
Many hypotheses can be tested through controlled experiments, but it is not always possible to do a controlled experiment.
Which of the following hypotheses most likely cannot be tested with a controlled experiment?
A.
Ultraviolet radiation can cause genetic mutations in bacteria.
B.
Gravitational force is affected by both mass and distance.
C.
A flowering plant will produce more fruit when treated with phosphate powder.
D.
In the wild, chimpanzees form social groups composed of 10 to 20 individuals.
Answers: 3
Biology, 21.06.2019 22:00
Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).
Answers: 1
Biology, 22.06.2019 15:00
The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.
Answers: 1
Controlled experiments are experiments that have only one variable. All other factors in the experim...
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