Despite the variety of sizes, shapes, and colors, a male German Shepherd and a Great Dane (two breeds of dogs) can mate with one another and produce offspring. Do these dogs belong to the same species?

Question

Quizplus · Accepted Answer

One of the primary criteria for defining a species is the ability to interbreed and produce fertile offspring. Since a male German Shepherd and a Great Dane can mate and produce offspring, they are considered to be of the same species.

Despite the Variety of Sizes, Shapes, and Colors, a Male