Across
- 3. A fundamental biologic divsion
- 6. The alternate rise and fall of the water
- 9. Marine slugs
- 10. Microscopic plants and animals
- 13. The removal or expulsion of internal organs
- 14. A barbed, threadlike stinger
- 15. Hard outer covering
- 18. The phylum invertebrates animals with spiny skin
- 20. Feet Water-filled fleshy tubes
- 21. The phylum of invertebrate animals with specialized stinging cells
- 22. The phylum of invertebrate animals with jointed limbs
- 23. A special characteristic of a living thing that helps it to survive in its environment
- 25. The end part of a leg or the muscular disc.
- 28. A classification of plants and animals with common distinguishing characteristics
- 29. Animals that have no backbones
- 31. Principal divisions of the plant or animal kingdom
- 32. Plants and animals that live on the bottom of the ocean
Down
- 1. To escape
- 2. Animals that can be eaten
- 3. A tube like organism
- 4. Animals that eat other animals
- 5. The phylum of soft-bodied animals
- 7. A part of the beach that covered with water a high tide and no covered during low tide
- 8. Animals that have no backbone
- 11. A progress of development of a species or organisms
- 12. A phylum of diverse animals which includes both animals with backbones and without
- 16. The shedding of the exoskeleton
- 17. To blend in
- 19. Animals who have two shells
- 24. A system of classifying living things
- 26. An accumulation of decayed organic material
- 27. Long slender growth that may be used in feeding
- 30. A place where an organism lives