Because it helps give shapes and formation a little and thats why they say water is important to human beings
Answer:
they enhance water quality control erosion maintain stream flows sequester carbon, and provide a home to most endangered species
Explanation:
so they basically provide wildlife habitat :)
The head<span> (or cephalic) region has five pairs of </span>appendages<span>. The antennules are organs of balance, touch, and taste. Long antennae are organs for touch, taste, and smell. The mandibles, or jaws, crush food by moving from side to side.</span>
The answer should be D because if thats one of your answers on your tests and you missed it, then i would recemend studing. D is the answer because if organisms die, then new ones grow.