Question

ORGANISM
Vertebral Column
Hinged Jaws
Four Walking legs
Amniotic Egg
Hair
Lancelet









Lamprey









Tuna











Salamander











Turtle







Leopard












Mark an “X” if an organism HAS the trait

Answer 1

Based on the traits you've listed, here’s a table indicating which organisms have each trait with an "X":

| ORGANISM | Vertebral Column | Hinged Jaws | Four Walking Legs | Amniotic Egg | Hair |
|--------------|------------------|-------------|-------------------|--------------|------|
| Lancelet | X | | | | |
| Lamprey | X | X | | | |
| Tuna | X | X | | | |
| Salamander | X | | X | | |
| Turtle | X | X | | X | |
| Leopard | X | X | | X | X |

### Summary of Traits:
- **Vertebral Column**: Present in all except Lancelet.
- **Hinged Jaws**: Present in Lamprey, Tuna, Turtle, and Leopard.
- **Four Walking Legs**: Present in Salamander and Leopard.
- **Amniotic Egg**: Present in Turtle and Leopard.
- **Hair**: Present only in Leopard.

Please adjust any detail or add more organisms if needed!