Certainly. All of them do when put out of balance as the earth is very involved in being at the present time.
The rainforest is choking us to death because people are going in and destroying the lungs of the planet. Trump does not care. His remark? I won't be around to see it so I don't care. (a paraphrase of an actual quote.)
So, if there is no oxygen in the rainforest, we cannot breathe. Whatever it is called that rivals no oxygen, is taking over the planet. Right now we are operating as a species on less oxygen in the air than we need to stay healthy.
What does fatso care as long as he can slaughter animals and eat his cheeseburgers in bed.
A competitive relationship in a biological community includes the plant and animal species within the ecosystem that compete over food, territories and mating with the opposite sex. Competition occurs in virtually every ecosystem in nature. This relationship develops when more than one organism in an environment has the same need for resources as another to survive. Competition often results in the survival of the fittest.