Question

phylum chordata share is the presence of a notochord. notochords are flexible, longitudinal rods between the digestive tract and the nerve cord. their main purpose is to support the digestive tract. pharyngeal slits can be found in the pharynx of humans and fish. which term describes animals of phylum chordata? vertebrates spineless non - chordates

Explanation:

Animals in Phylum Chordata are characterized by having a notochord (which in most vertebrates develops into a vertebral column). "Spineless" would refer to invertebrates (non - chordates or chordates without a developed spine, but chordates have a notochord/vertebral column origin), and "non - chordates" are animals without a notochord. So the term describing Phylum Chordata animals is vertebrates.

Answer:

A. vertebrates