I'll try to explain, because I've had tubes before. In fact, I still have them.
For me, tubes were put in because of too many ear infections, and excessive water in my ear. The tube helped drain the water out. You can see A picture I have in a file. The tubes can be put I believe in the ear drum. They're put there to help drain water that has trouble getting out on its own.
it would affect the growth curves because you see if a bacteria affects predators (that hunt and eat preys) the number of predators would decrease as they would be killed by the infection
Less predators means more preys as they aren’t hunted down as much so they growth curve for preys would be positive while for predators it would be negative
Answer:
symbiotic
Explanation:
symbiotic relationships benefit both organisms
I believe the answer is Africa