Question

Describe the characteristics of Pisces and annelids with examples.

Answer 1

Pisces (fishes)

1. Aquatic (water living) animals.
2. Skin is covered with scales.
3. Swim with the help of their fins.
4. Body streamlined (narrow at both ends) which helps in swimming.
5. Breathe through gills.
6. Lay eggs in water.
7. Examples- Rohu, Catla, sea horse, stingray

Annelida

1. They are elongated, segmented worm-like animals.
2. Digestive system complete and extends straight from mouth to anus.
3. Excretion by a special organ called nephridia.
4. Mostly aquatic, some live in soil.
5. Examples- earthworm, leech