1)
You change the independent variable (diet)
and
observe the dependent variable (blood cells)
20) agree
Identify each of the parentheses items as an independent or dependent variable.
1)The (number of red blood cells )independent in a mouse's blood at(different levels of iron) dependent in its diet.
20)The (amount of starch formed)dependent in a plant leaf for (different times)independent of exposure to light.
2 answers
http://www.sciencebuddies.org/science-fair-projects/project_variables.shtml
1 answer