<span> to gain insight into ecological changes that are too complex or too long-range to study directly.</span>
Answer:
B/D
Explanation:
it's either B because if a flat Wing male can't find a female that likes is tripping is it helpful to go around and wander and maybe he'll find a mate
or it's D because there's a lot of crickets out in the open and where everybody else is his group gets everywhere so what I'm saying is it help to wander cuz that reduces the competition there so many male chirping that it's kind of hard to find a certain one that will attract the female
It starts in the mouth. You start to chew in which the glands that produce saliva make it easier to send down the esophagus