<span>It happens through allopatric speciation. Hope this helps :)</span>
Answer:
Some examples are:
Carbon Dioxide.
Methane.
Nitrous Oxide.
Fluorinated Gases.
Hydrofluorocarbons (HFCs)
Perfluorocar- bons (PFCs)
Sulphur hexafluoride (SF6)
Nitrogen triflouride (NF3).
Explanation:
Ecosystems usually remain stable for hundreds or thousands of years. It also depends on the environment of the ecosystem - but if it's stable, and healthy, it's possible that it can remain stable for hundreds and thousands of years.