<span>The </span>function of the valves<span> in the peripheral </span>veins<span> is to ensure that the overall movement of blood in the </span>veins<span> is in the right direction, toward the heart. This is especially important in the </span>legs<span>, where the blood must flow a relatively long distance against gravity. </span>
Answer:
It shows the life cycle.
Explanation:
the rabbit eats the grass, a hawk eats the rabbit. the hawk dies and the grass "eats" it.
Answer:
it's considered autotrophic ;)