General characters of Urochordata:
Characters
- Habitat = Generally sedentary.
- Test of tunicine= Present
- Coelom= Absent in adult
- Notochord and nerve cord= Absent
- Metamerism= Absent in adult
- Alimentary canal= U -shaped
- Heart= Well devloped
- Blood flow= Periodic
- Excretory organ= Natural gland
- Sexes= Bisexual
- Metamorphosis = Retrogressive
- Asexual rproduction = occurs in form.
General characters of Cephalochordata:
(1.) Habitat
- Test of tunicine
- Coelom
- Notochord and nerve cord
- Metamerism
- Alimentary canal
- Heart
- Blood flow
- Excretory organ
- Sexes
- Metamorphosis
- Asexual reproduction