Scientists select ninety crickets or Similar size and separate them into three groups of thirty. Group 1 will have its temperature increased, group 2 will have its temperature decreased, and group 3 will have its temperature kept at a constant room temperature. 1. What is the independent variable in the experiment?

A. number of crickets
B. temperature
C. type of food
D. container size

2. What is group 3 called?

A. experimental group
B. independent group
C. dependent group
D. control group ​