Maintain homeostasis - eg. blood sugar control by insulin and glucagon.<span>
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The word sponge is more appropriate to use than Underground river since an underground river can loose water while an aquifer cannot loose water, unless it is open-air and above ground. then the aquifer would slowly loose water due to evaporation from the sun.
I would say C but I’m not too sure.
Based on the given situation above about Gene expression, it is considered an example of gene expression u<span>ntil the protein is trimmed, it is not useful to the cell. Therefore, the protein should not be trimmed. Hope this answers your question. Have a great day ahead!</span>
Explanation:
Primary succession occurs when a habitat that has completely destroyed reheals from complete scratch
On the other hand, secondary succession occurs when only a portion of the original ecosystem survives and is rebuilt from that