Question

Are urochordates protochordates?

Answer 1

Protochordate

1. It is an informal category of animals also called sea squirts.
2. They are used for invertebrates that are closely related to vertebrates.
3. Therefore, also known as lower chordates.
4. They comprise the subphylum Urochordata and Cephalochordata under the phylum Chordata.
5. Therefore, Urochordates are protochordates. In urochordates, the notochord is present only in the larval tail.