Legends bar important to an ecosystem because they . 1) become unstable

2)Help form soil

3) prevent tree growth

4) replace older communities

depends if youre on plato or another site

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