What kind of cell division has the same number of chromosomes after every division ?

Mitosis

Explanation:

Because like it says the cells split

answer; ///as energy flows through an ecosystem,energy (decreases) at each

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme