Answer:
Temperature
Explanation:
An experiment has an independent variable which is a factor changed during the experiment. Effect of changes in the independent variable on the dependent variable is seen during the experiment.
According to the question, the experiment was set to observe the effect of temperature on bacterial growth. The bacterial population was exposed to different temperatures. Since the temperature was changed to observe its effect on bacteria growth, the temperature is the independent variable here.
Can you please add the text?
The correct answer would be The Heart
1.) Mitosis is the splitting of a parent cell into two daughter cells. When mitosis occurs the DNA is copied, making double the amount of chromosomes in the parents cell which will late be divided into two separate cells when the cell pinches in the middle.