Phylum Chordata: Subdivision of Subphylum Vertebrata, Examples of Phylum Chordata

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Subdivision of Subphylum Vertebrata

Subdivision of Subphylum Vertebrata

Subdivision of Subphylum Vertebrata

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Examples of Phylum Chordata

Lampreys

  • This chordata belongs to the sub-phylum Vertebrata.

  • This is a fish devoid of jaws and spends its larval stages as a filter-feeder.

  • As it grows into an adult, it gets transformed into a parasite.

Sea Squirt

  • It bears a dorsal nerve, pharyngeal slits, and a post-anal tail.

  • It is a Urochordate along with a barrel-shaped body attached to the substratum.

  • The larva is tadpole-like and possesses a notochord.

Characteristics of Phylum Chordata

  • The heart is ventral with a closed circulatory system.

  • They possess characteristic notochord, dorsal nerve cord, pharyngeal slits.

  • The habitat of these animals is widespread and can be found in the marine environment, fresh waters as well as terrestrial environments.

FAQs

Q 1. List out some of the examples of Phylum?

Answer: Some of the examples of Phylum are Mollusca, Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, and Echinodermata.

Q 2. What are the main characteristics of Phylum Chordata?

Answer:

Three main characteristics of Phylum Chordata:

i) The heart is ventral with a closed circulatory system.

ii) They possess characteristic notochord, dorsal nerve cord, pharyngeal slits.

iii) The habitat of these animals is widespread and can be found in the marine environment, fresh waters as well as terrestrial environments.

Q 3. What are the main features of Chordates?

Answer:

The main features of Chordates are:

i) Notochord

ii) Dorsal Nerve Chord

iii) Post-anal tail

iv) Pharyngeal slits

Q 4. What are the three main division of Phylum Chordata?

Answer:

Three main divisions of Phylum Chordata are:

i) Urochordata

ii) Cephalochordata

iii) Vertebrata