Algae, ferns, sunflowers
Mushrooms, bacteria, earthworms
Termites, red foxes, shrews
Woodpeckers, cardinals, grasshoppers
A bacterial cell is much larger than an animal cell.
A bacterial cell has more mitochondria than an animal cell.
A bacterial cell has RNA for its genetic material, whereas an animal cell does not.
A bacterial cell does not have membrane-bound organelles, whereas an animal cell does.
Enzymes supply the oxygen necessary for the reactions
Enzymes change reactants from solid to liquid during the reactions.
The reactions take up too much space in the cell if enzymes are missing
The reactions are too slow to meet the needs of the cell if enzymes are missing.