Answer:
A process that increases quantity over time.
Explanation:
The formula for exponential growth of a variable x at the growth rate r, as time t goes on in discrete intervals (that is, at integer times 0, 1, 2, 3, ...), is:
![X_{t}= X_{0} (1+r)^{2}](https://tex.z-dn.net/?f=X_%7Bt%7D%3D%20X_%7B0%7D%20%281%2Br%29%5E%7B2%7D)
Exponential growth is a process that increases quantity over time. It occurs when the instantaneous rate of change of a quantity with respect to time is proportional to the quantity itself.
Secondary succession occurs after the initial succession has been disrupted and some plants and animals still exist. The disruption occurs afer an event like a forrest fire or hurricane destroys the forest.
Answer:
Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. One moves with the concentration gradient (high to low) which powers the movement of the other against the gradient (low to high).