Page 4 - PPT3
P. 4
FEATURES : -
Eyes – It helps them to search their food and to stay alert against their predators.
Gills – It helps them to breathe oxygen present in water.
Mouth – It helps them eat their food.
Fins – They have paired and unpaired fins which help them to swim.
Tail – it acts as paddles and helps them to change their direction while swimming.