Question

what happens when two animals having similar habits share one ecosystem

Answer 1

Thank you for asking the question!
If the same animals, having same habitats shares a same habitat then will likely to cause problem. Every specie has a specific role in the environment. If there are two males then they will survive in the ecosystem but if there are male and female then they definitely  start breeding and ultimately this will collapse the Eco system as similar species will be produced. Moreover a competition for the survival will rise among them and will try to out compete the there one and in this way many will become extinct.
Hope it helps.

Answer 2

if two animals having similar habits share one ecosystem then the collapse system will collapse and will be destroyed for example there is a cat and a dog if the cat and dog eat only right then the population of that will be exhausted and because of lack of price then the cat and dog will die so this is not possible