Answer:
Oxygen is inhaled so that Dioxide can be exhaled, that is just how breathing functions.
Explanation:
We require this system for our survival.
Answer:
well when u mess with a natural habitat it tends to do what's it's always has. like if that field always got flooded and u put a road there then obviously that road will be flooded when the time comes.
<span>The
correct answer is pharyngeal pouches.</span>
<span>All
chordates for at least some period of their life have pharyngeal pouches (pharyngeal
slits). Those are the openings in the pharynx with the function in the
filter-feeding. Pharyngeal slits are present during the embryonic stages of
tetrapod development. They <span>develop into gill arches (bony fish) and into the jaw and inner ear (terrestrial
animals).</span></span>
A because it is just one pack making uo the wolf population of that one area
