pls answer 20 points
Use the following cladogram to answer the questions below.

A cladogram. Traits are listed on the main branch. Jaws appear first at the bottom of the main branch. Hagfish is the first branch coming off the main branch. It appears before the jaws trait. Lungs are the second trait listed on the main branch. It comes immediately after the jaws. Perch is the second branch coming off the main branch. It appears after the jaws and before the lungs. Claws or nails is the third trait listed on the main branch. Salamander is the third branch coming off the main branch. It appears after lungs and before claws or nails. Fur and mammary glands are the fourth trait listed on the main branch. The lizard branch appears after claws or nails and before fur and mammary glands. Feather is a trait that appears on the pigeon branch. The pigeon branch comes off the main branch between the claws or nails and the fur and mammary glands traits. Mouse is a branch coming off the main branch. The mouse branch appears after fur and mammary glands. Chimp is the final branch coming off the main branch. The chimp branch appears after fur and mammary glands.

Part 1: Which ancestral traits do both the pigeon and the mouse share? Support your answer with data from the cladogram.
Part 2: Which derived trait does the pigeon have that the mouse does not have? Support your answer with data from the cladogram.