Marine animals
Across
- 2. cold blooded marine organisms regulate temperature externally.
- 6. body plan with symmetrical parts.
- 7. organisms living on ocean floor.
- 8. mammals produce milk for offspring.
- 9. new individual grows from parent.
- 11. animals with intskeletons skeletions.
- 13. Varied body shapes and structures among different organisms.
- 14. shedding old exoskeleton for growth.
- 15. mammals use placenta for nourishment.
- 17. warm blooded organisms regulate body temperatures.
- 18. tentacled jellyfish like marine organism.
- 20. internal skeleton supporting body structure.
Down
- 1. air filled organ for buoyancy.
- 3. fluid filled system for locomotion.
- 4. tentacled body form in cnidarians.
- 5. two sided body plan in organisms.
- 10. Animals without backbone.
- 12. flexible skeletal tissue in some.
- 16. eggs with protective fluid filled membranes.
- 19. hard outer body covering.