Haemocoel is found in :
Hydra and Aurelia
Taenia and Ascaris
cockroach and Pila
Balanoglossus and Herdmania
The enzyme, which combines with non-protein part to form a functional enzyme known as :
co-enzyme
holoenzyme
apoenzyme
prosthetic group
The group of anamniota includes:
reptiles and birds
birds and mammals
fishes and amphibians
reptiles, and mammals
Different colours of frog skin are controlled by:
hormones
melanocytes
nervous system
both 'a' and 'c'