because they are
The koala's phylum is Chordata. It is a Latin name for all of you that don't already know that.
The classification levels of the koala are:COMMON NAME: KoalaKINGDOM: AnimaliaPHYLUM: ChordataCLASS: MammaliaINFRACLASS: MarsupialiaORDER: DiprotodontaFAMILY: PhascolarctidaeGENUS SPECIES:Phascolarctos cinereus
The classification of the koala is:COMMON NAME: KoalaKINGDOM: AnimaliaPHYLUM: ChordataCLASS: MammaliaINFRACLASS: MarsupialiaORDER: DiprotodontiaFAMILY: PhascolarctidaeGENUS SPECIES: Phascolarctos (leather-pouched bear) cinereus (ash-colour)
Birds belong to the phylum Chordata, specifically the subphylum Vertebrata. This means that birds are vertebrate animals with a backbone.
Chordata.
There is no chordata in the body. Chordata refers to a group of animals, including the vertibrates.
chordata/chordates
Chordata is a phylum, not a genus.
Chordata
Phyllum Chordata contains Vertebrates .
Genus Chordata is animals with backbones; Spiders do not have a spine, therefore are not Chordata.
Dogs are in the Chordata phylum, therefore Pit Bulls are in the Chordata phylum.