Animal Classification Comparative Analysis
Key Characteristics of Animal Groups
| Taxon | Arthropods | Birds | Fishes |
| 1. Antenna | Antenna | | Bone |
| 2. Carapace | Carapace | Cranium | Cartilage |
| 3. Gland | Gland | Crest | Crest |
| 4. Horn | Horn | Egg | Eggs |
| 5. Leg | Leg | Feather | Fin |
| 6. Mandible | Mandible | Membrane | Gland |
| 7. Pincer | Pincer | Sac | Sac |
| 8. Shell | Shell | Talon | Scale |
| 9. Sting | Sting | Tendon | Spine |
| 10. Web | Web | Wattle | Teeth |
Taxonomic Feature Comparison
| Feature | Mammals | Mollusks | Reptiles |
| 1. Claw | Claw | Antenna | Bone |
| 2. Cranium | Cranium | Gland | Claw |
| 3. Fang | Fang | Membrane | Cranium |
| 4. Fur | Fur | Sac | Crest |
| 5. Horn | Horn | Scale | Egg |
| 6. Rib | Rib | Seashell | Fang |
| 7. Tail | Tail | Shell | Gland |
| 8. Tendons | Tendons | Slime | Scale |
| 9. Vertebra | Vertebra | Sting | Spine |
| 10. Whiskers | Whiskers | Tentacle | Tail |