Across
- 3. Crab
- 4. Specialized stinging cells
- 5. Sponge
- 7. Cone-bearing seed plants
- 9. Ferns and their allies, horsetails and whiskferns
- 10. Ascaris lumbricoides
- 11. Animals first to walk on land
- 13. Plants that consist of xylem and phloem
Down
- 1. Relationship between fungus and a cyanobacterium
- 2. snail
- 3. Flowering plants
- 4. Type of fish wherein shark and ray belong
- 6. Nonvascular plants
- 8. Mammal that complete development in a pouch
- 12. earthworms