Observe the given set of characteristics and identify the class of vertebrata they belong to:
i. Streamlined body
ii. Cold blooded
iii. Two chambered heart
Pisces
The class Pisces includes fishes. They are completely adapted to aquatic life. They have a two-chambered heart, breathe by means of gills, and are cold-blooded. Their body is covered with scales. They have fins but no limbs.