Answer:
A polyp is a small clump of cells that form in the colon. Most of the time they are harmless but they could develop to be colon cancer which is the reason the polyp needed to be removed.
Explanation:
I think it is rising sea level
It also reabsorbs water found in the undigested food
Answer:
It shows which consumes which. A basic food chain.
Explanation:
Wherever the arrowhead is pointed at, shows that it consumes the specie next to the nock. For example, the arrow on the left has its arrowhead directed at the butterfly. This means that the butterfly consumes the flower. The next arrowhead points at the bird, which means that this bird consumes the butterfly.