Answer:
I believe the answer is
B. The biotic and abotic items in the ecosystem.
OR
A. All of the different population of species in one geographic area.
Explanation:
Biological community consisting of living organisms in different locations. For example, a forest trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.
Explanation:
In other words, an organ is made of tissues. A tissue is made from multiple cells that carry out the same function, For example : a cardiac muscle is made from many cells of the same type. An organ whereas is made from group of tissues which have similar structure and functions
In cell division, the cell that is dividing is called the "parent" cell. Cells regulate their division by communicating with each other using chemical signals from special proteins called cyclins. These signals act like switches to tell cells when to start dividing and later when to stop dividing.
More sodium<span> ions diffuse into the cell than potassium ions diffuse out of it. the inactivation gates of the voltage-gated </span>sodium<span> ion </span>channels<span> begin to </span>open<span> and the diffusion of </span>sodium<span> ions decreases. </span>After<span> the passage of the action potential, the</span>sodium<span>-potassium pump reestablishes the resting membrane potential. .... i hope it helps </span>