Jeremy is setting up an experiment in his garage on Elodea (an aquatic plant). He plans to test different temperature conditions. What will this type of experimental investigation MOST likely include?
(1 point)
Responses
a standard group because the variables are changed
a standard group because the variables are changed
a standard group because it can be used as a reference
a standard group because it can be used as a reference
a control group because the variables are changed
a control group because the variables are changed
a control group because it can be used as a reference