The number of hedgehogs on a hill would be considered a community

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;