Answer:
<em>WOLVES, now returned to their original habitat, play a vital role in keeping the world of predator and prey in balance. Once they've eaten their fill, the leftovers from their kills provide food for scavengers, including bald and golden eagles, magpies, coyotes, ravens, and bears.</em>
Because, substances can pass through it while others can not but Oxygen, good molecules,
and waste products can only go through it.
Right it can be ur right good job lol
Mendel studied a total of seven traits of garden peas. His experiments were successful because the pairs of factors for the traits he studied were on seed shape<span>, flower </span>color<span>, </span>seed coat tint<span>, </span>pod shape<span>, unripe </span>pod color<span>, flower location, and plant height</span>