Because evolution itself is a very slow process. Having said that, the chance of having a continuum of various animals would mean that evolution would have progressed very fast. Because evolution is slow, different species establish themselves for different ecological niches and environments, this enables them to become better through time at a certain environment which then leads to eventual diversification in the number of species.
There are three species of wolves: the Red Wolf, the Gray Wolf, and the Ethiopian Wolf.
There are a lot more subspecies of wolves, such as:
Mexican Wolf
Eastern Wolf
Maned Wolf
Arctic Wolf
Iberian Wolf
Eurasian Wolf
Alexander Archipelago wolf
Alaskan Wolf
Alaskan Tundra Wolf
Greenland Wolf
Kishida Wolf
Manitoba Wolf
Plains wolf
Timber Wolf
Tundra Wolf
Im pretty sure that its nondisjunction
This is known as Onesky.
HOPE.IT HELPED !!
Answer:
Different numbers of neutrons
