B. An ecosystem in which plant roots are submerged during parts of the years
The answer would be C. Digestive
The <em />circulatory system <em>circulates</em> the blood and lymph throughout the body. The excretory system <em>excretes</em> the body wastes.
Answer:to signal the cell to move to the next phase of the cell cycle
Explanation:
(Just took it)
<span>everything that live off of it would start dying
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Fires in grasslands prevent the growth of shrubs. Plants can survive in these fires because most of them have parts underground, where fire cannot reach. Animals and runners aren't affected by this, because they can leave.