if they are all part of the same species it would be a population
<span>blastocyst
The outer layers of the blastocyst turn in to the trophoblast after implantation. The trophoblast forms the placenta.</span>
Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient. ... A channel protein, a type of transport protein, acts like a pore in the membrane that lets water molecules or small ions through quickly.
It is an explosive cell that is used for protection from predators or prey hunting by the species of the phylum Cnidaria
