1 which organism is the oldest 2 what organism is the youngest

3 what organism dosent have jaws

4 what trait is unique to the pigeon

5 what trait is unique to the mouse and chimp

6 what trait separates hagfish and perch from salamander

7 what organisms share the trait of claws and nails

8 what organisms have lungs

9 what organism is most closely related to the chimp

10 what organism is most closely related to the perch? The hagfish or salamander