Protochordates:-
Balanoglossus: Tornaria larva Ascidia: Retrogressive metamorphosis |
Amphioxus
Agnatha:-
Petromyzon |
Ammocoete larva
Gnathostomata
Scoliodon
|
Economic importance of Fishes
Amphibia
Reptilia
|
Poison apparatus
Aves
Mammals
|
Hair and its development