Every person has their own part to play or if you want to get scientific then a niche. And if somebody doesn't do their job then it could slow everyone else down. Maybe I don't fully understand the question, But I hope its right.
They can create competition within a certain niche
Answer:
Heat Stroke.
Explanation:
Those seem like heat stroke symptoms, especially since she was out there all day. I hope that's one of your options!
Answer:
The production of new life through offspring by a sexual or asexual process.
Explanation:
