They both contain skeletal bones.
Jointed phalanges.
Limbs.
they have a similar bone structure and they all have a common ancestor.
I want to be more exclamable,but a flipper is a "wing" like a bird but the flipper cannot make the animal fly.Penguins have flippers.
It is a flipper, which is a modified wing that penguins use to swim underwater.
Scientist think that both bird's wings and a seal's flipper have the same ancestors.
Preadaption, that is, the development of new features through the refinement of existing ones
That the birds and seals probably have the same ancestors.
a seals flipper has finger bones when a birds wing is just a bone with connected with other joints
Front Wing was created in 2000.
That the birds and seals probably have the same ancestors.
That the birds and seals probably have the same ancestors.