Scientists use a(n) to show how energy moves in an ecosystem .

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

What process creates gametes? a.fertilization b.mitosis c.meiosis

If you want to double a batch of brownies you must have double the ingredients before you start cooking similarity a cell must double its contents including its dna prior to dividing