The largest organ in an earthworm is its skin
It's simply the a<span>mount of light</span>
Osmosis<span> is the movement of water and is always the movement in the membrane.</span>Diffusion<span> does not need a membrane to make molecules and </span>Diffusion<span> is the movement of molecules. they do not require energy, they both move from a high concentrate to a low concentrate, and they both occur in plants and animals.</span>
If there a too many producers but not enough secondary consumers, the ecosystem becomes unbalanced and the energy is unused. So the number needs to balanced for the ecosystem to be as well.