Horses and zebras can be bred to produce a zorse, which is infertile. Which is most likely the reason zebras and horses are considered separate species?

Because their offspring cannot breed, they are considered separate species.

Members of the same species that produce offspring can continue passing on their genes through their offsprings offspring and so on and so forth

Hope this helps!

Explanation:

the question isn't complete here so i can't right an answer '_'