Question

identify the dependent variable in the following experiment: a scientist grew bacteria on gel in her lab. she wanted to find out if the bacteria would grow faster on gel a or gel b. she placed a few bacteria on gel a and a few on gel b. after 24 hours, she observed how many bacteria were present on each type of gel.
a growth of the bacteria
b gel a
c gel b

Explanation:

In an experiment, the dependent variable is what is being measured or observed and is affected by the independent variable. Here, the scientist is measuring the growth of bacteria to see how it is affected by the type of gel (gel A or gel B). So the growth of bacteria is the dependent variable.

Answer:

A. growth of the bacteria