Here's why:
* Phylum: This is a major classification in biology, grouping organisms with shared fundamental characteristics. For example, the phylum Chordata includes all animals with a backbone.
* Yorkie: This refers to the Yorkshire Terrier, a breed of dog.
* Toy: This describes a size variation within the Yorkshire Terrier breed.
Dogs are classified as follows:
* Kingdom: Animalia
* Phylum: Chordata
* Class: Mammalia
* Order: Carnivora
* Family: Canidae
* Genus: *Canis*
* Species: *Canis lupus familiaris*
Therefore, the Yorkshire Terrier (including toy Yorkies) belongs to the phylum Chordata.