Q: Vertebrates are a subphylum of what phylum?


Read this paragraph and choose the correct option from the provided answers:

Vertebrates are a subphylum of the phylum Chordata. Like all chordates, vertebrates have a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. What other characteristics do vertebrates have? What traits set them apart from invertebrate chordates?.

 Choices:

- arthropoda

- hydrozoa

- porifera

- chordata


A:
chordata