Question

Give one example each of Urochordata and Cephalochordata.

Answer 1

Urochordata :

1. Subphyla Urochordata are often referred to as protochordates.
2. These animals are bilaterally symmetrical, triploblastic, and have a coelom.
3. The notochord is present only in the larval tail.
4. Protochordates are marine animals.
5. Example- Ascidia, Salpa.

Cephalochordata:

1. Subphyla Cephalochordata are often referred to as protochordates.
2. The notochord extends from head to tail region and is persistent throughout their life.
3. Protochordates are marine animals.
4. Example- Branchiostoma.