Across
- 5. segmented body worms
- 9. animals with a back bone
- 10. a mammle live in water
Down
- 1. glands prevent in the skin
- 2. pocess of ears with external ear lob
- 3. pocess of eyes without eye lids
- 4. a bird that cannot fly
- 6. skin is covered with feathers
- 7. highest no.of animals belong
- 8. a group of annelida