Answer please!!!
Although dogs exist in many different shapes, sizes, and colors, they all belong to the same _________ because they can breed naturally and produce fertile offspring.
A.) Class
B.) Genus
C.) Order
D.) Species

Respuesta :

Dogs, no matter what breed they are, they are all of the same species and therefore can breed with each other and create fertile offspring
 
I pray this helps you :)
it would the letter d