Wolves are quite similar in appearance to domestic German shepherds they have common physical traits would include shaggy for erect ears and a heavy curled tail which inference is supported by the evidence from the sentences

The inference supported by the evidence from the sentences is that wolves and domestic German shepherds share common physical traits such as shaggy fur, erect ears, and a heavy curled tail.

The inference supported by the evidence from the sentences is that wolves and domestic German shepherds have common physical traits, such as shaggy or erect ears and a heavy curled tail.