Mules, the offspring of donkeys and horses, are commonly used as pack animals. Despite the existence of mules, horse
and donkeys are considered separate species,
Which discovery would change that thinking and define horses and donkeys as the same species?
O
O
O
O
if mules looked more like donkeys
if mules looked more like horses
if mules could produce offspring
if mules were sterile

If mules could produce offspring.

Explanation:

Even though horse and donkey produce mule, they are still regarded as different species because the mule produced cannot produce an offspring of its own.

The only why they can be considered as same species is if the mule can also reproduce.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

multiply it by 5 in order for you to understand i cant give an exact answer.