Chordates and the Evolution of Vertebrates. Phylum Chordata Characteristics and Examples. Sea Squirt Hamza Ali; Introduction: The subject chosen coercion this biological consider was the Kingdom Lewdia. Example Phylum: Chordata You are a member of a phylum Chordata . In some groups, some of these are present only during embryonic development. 1. Man is the most important chordate. It is a fish devoid of jaws and spends its larval stages as a filter-feeder. Phylum Chordata: Characteristics and Its Classification The chordates were originated from a fish-like ancestor, very similar to the larva of the Ascidia (Tunicata) and it is assumed that they became the ancestor of the chordates by retaining the larval form throughout the life. 16/05/18 Biology Reference this Disclaimer: This work has been submitted by a student. Most species within the phylum Chordata are vertebrates, or animals with backbones (subphylum Vertebrata). The Gnathostomata are further divided into six classes: Chondrichthyes, Osteichthyes, Amphibia, Reptilia, Aves and Mammalia. These two examples are of relatively simple and small organisms, but remember that the phylum Chordata comprises a wide variety of animals. 16/05/18 Biology Reference this Disclaimer: This work has been submitted by a student. This chordate belongs to the sub-phylum Vertebrata. The phylum name derives from the Greek root word chord- meaning string. Chordate, any member of the phylum Chordata, which includes the vertebrates (subphylum Vertebrata), the most highly evolved animals, as well as two other subphyla—the tunicates (subphylum Tunicata) and cephalochordates (subphylum Cephalochordata). It’s amazing that such small animals can share a significant amount of characteristics with birds, mammals and … You can view samples of our professional work here. It contains all of the vertebrate animals (fish, birds, reptiles, amphibians, and mammals), as well as a couple of invertebrate ones. Characteristics of Chordata. Into 3 subphyla which are very different in appearance and life histories. Notochord: flexible rod on the dorsal side of gut, present at one stage in all chordates; displaced in vertebrates by vertebral column that forms around the nerve cord 3. Single, hollow nerve cord beneath dorsal surface; in vertebrates, it differentiates into brain and spinal cord 2. This is not an example of the work produced by our Essay Writing Service. Phylum Chordata Characteristics and Examples. Phylum Chordata: Characteristics and Its Classification The chordates were originated from a fish-like ancestor, very similar to the larva of the Ascidia (Tunicata) and it is assumed that they became the ancestor of the chordates by retaining the larval form throughout the life. 2567 words (10 pages) Essay in Biology. They have three classes of Phylum Hemichordata. Cephalochordate, also called acrania, any of more than two dozen species belonging to the subphylum Cephalochordata of the phylum Chordata.Small, fishlike marine invertebrates, they probably are the closest living relatives of the vertebrates. Characteristics of Phylum Chordata Cephalochordates and vertebrates have a hollow, dorsal nerve cord, pharyngeal gill slits, and a notochord. They live in all kinds of habitat. You can view samples of our professional work here.