Question

An experiment uses two groups of mice with 20 individuals in each group. Both groups are fed the same amount of water and food every day. They are kept in similar cages in a climate-controlled room. The experimental group is given five doses of a pesticide every day. After two months, the amount of an enzyme in the brains of the mice was measured. Use Passage 1-2. The climate-controlled room is important to establish _______.

Answer 1

constants.

Step-by-step explanation:

Climate-controlled room are almost indoor and are kept with stable temperatures and also with stable humidity levels.

In biological experiments, it used to establish constant parameters like temperature, humidity, exposure to different things, growth of organisms and etc.

These rooms provide better shelf life and thus better results.