<span>Herring gulls fiercely defend the areas around their nests in cliff-top breeding colonies. within the colony, they would show a uniform dispersion pattern.</span>
<span>The proteins that are embedded in the cell membrane act as channels to transport substances in and out of the cell.</span>
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.