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Notochord is present throught the life in
Option: 1
fish
Option: 2
leech
Option: 3
Amphioxus
Option: 4
Amphibia
Answers (1)
As we have learned
Sub - phylum Cephalochordata -
The notochord is present throughout the life and extents from head to tail. More number of pharyngeal gill slits and better developed.
- wherein
Eg. Branchiostoma, Amphioxus.
Notochord persists throughout life in lower chordates , but in higher chordates it is partly or fully , replaced by ventral column
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