Question

Where is a notochord present in Urochordata ?

Answer 1

Notochord:

1. The notochord is a mesodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals.
2. Chordates are animals that have a notochord.
3. Urochordata is a sub-phylum of the phylum Chordata.

Location:

1. The notochord is exclusively found in the tail.
2. Tadpoles undergo retrogressive metamorphosis, results in the absence of the notochord and nerve cord in adults, which is lost during transformation.