Homework Help: biology can someone check

Posted by joy on Tuesday, December 28, 2010 at 9:41pm.

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.

biology can someone check - Damon, Wednesday, December 29, 2010 at 4:46am
1)
You change the independent variable (diet)
and
observe the dependent variable (blood cells)

20) agree
biology can someone check - Damon, Wednesday, December 29, 2010 at 4:49am
http://www.sciencebuddies.org/science-fair-projects/project_variables.shtml

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