Energy
they could be producers or consumers
producers make their own food/energy
consumers get energy from other living things
The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
Here is your Answer. But is there options?
During succession, the limiting factor that may affect the sun-loving mosses when taller plants start to grow around them is that there will be a competition in the water available in the soil since there is a high chance that these taller plants could use the water up more. In addition, these mosses will not get the full benefit from the sun because the taller plants are blocking.
converted means changed so it would be A. Not completely sure though.
Earthworms amnion.........................................................
starfish bony skeleton.......................................................
