Ecological succession is the constant replacement of one community by another. Primary succession occurs in an area that has never before been colonized by plants and animals, while secondary succession occurs in an established area that was disturbed.
<span>Proteins that minimize fluctuations in pH are known as buffers. A buffering agent can be either a weak acid or weak base. Buffering agents are usually added to water to form a buffer solution, which only slightly changes its pH in response to other acids and bases being combined with it, particularly a strong acid or a strong base.</span>
The reaction is passive transport
