Key to 30 objects

1. Motion machine 2. Lichen (crustose type) 3. Virus (bacteriophage)4. Bracket fungi 5. Walking sticks6. Coprolite (fossilized scat)7. Hydra (budding) 8. Nautilus shell9. Shark jaw (mako?) 10. Crystals- stilbite11. Radiolarians 12. Computer 13. Rhinoceros beetle 14. Corn plant stem 15. Blue morpho butterfly 16. Sponge (glass)

17. Stump stabber (ichneumons) 18. Scorpion19. Marine worms (polychetes) 20. Human brain tissue (cerebellum x-section)21. Flame in bell jar 22. Model of DNA molecule23. Chiton (gum boot) 24. Jellyfish 25. Puffer fish26. Planaria27. Abalone shell28. Octopus29. Chainsaw engine30. Thermostat