Topic

a. the same species.
b. hybrids
c. not the same species. .
d. not in the same family.

 

Horses and donkeys breed and produce offspring that are sterile. Horses and donkeys are

not the same species.

becoz they do not reproduce healthy offsprings..(mules are sterile)
besids, they do not even do it in natural environment, its human beings who make them do it.

 

Horses and donkeys breed and produce offspring that are sterile. Horses and donkeys are

c. not the same species. .

 

Horses and donkeys breed and produce offspring that are sterile. Horses and donkeys are

c.

mules are hybrids