Answer:
They might have more evidence for one thing than another
Explanation:
Egestion is the discharge or expulsion of undigested material (food) from a cell while excretion is process of eliminating or expelling waste matter (that had already been digested)
Answer:
plants
Explanation:
plants contain carbon In form of carbohydrates and heterotrophs eat plants containing carbon which In turn will give them energy
Independent variable would be the thing that changes so the size of the rock
Answer:
invasive species
Explanation:
they ruin the natural habitat and are therefor invasive