Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.
Differentiate between
Polyp and Medusa
Polyp | Medusa |
Sessile and cylindrical | Motile, free-living and umbrella shaped |
e.g Hydra | e.g Aurelia |
Mention two similarities between
a. Aves and mammals
b. Frog and crocodile
c. Turtle and pila