. Which of the following can be considered definitions of “theory”?
a) A theory can be an explanation of scientific laws
b) A theory is an integrated explanation of numerous hypotheses, each supported by a large body of observations and experiments
c) A theory is a condensation and simplification of many data that previously appeared unrelated
d) A theory is a prediction for new data suggesting new relationships among a range of natural phenomena
e) All of the above
24. You have formulated a hypothesis that light is necessary for seed germination. To test your hypothesis, one set of lettuce seeds are placed in light with warm temperatures and adequate moisture. Another set of identical seeds are placed in the dark under the same set of conditions. The control in the experiment is ___________.
a) seeds in the dark
b) seeds in the light
c) warm temperature
d) adequate moisture
e) germination rate