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 17:00
Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes
Answers: 1
Biology, 21.06.2019 22:20
Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3
Answers: 1
Biology, 22.06.2019 04:00
Number and variety of living organisms includes genetic, species, and ecological types
Answers: 3
Controlled experiments are experiments that have only one variable. All other factors in the experim...
Mathematics, 23.04.2021 17:10
Mathematics, 23.04.2021 17:10
Spanish, 23.04.2021 17:10
Mathematics, 23.04.2021 17:10
Mathematics, 23.04.2021 17:10
English, 23.04.2021 17:10
Chemistry, 23.04.2021 17:10