How did Archeopteryx resemble modern birds, and how did they differ from them?

The FEATHER COVER of Archeopteryx reflects its affinity with modern birds.
THE STRUCTURE OF THE LIMBS, SKULL, AND THE PRESENCE OF THE HALF BONE IN THE WRIST of Archeopteryx reflects its relationship with modern birds.
The structure of the ribs, jaws, pelvis distinguishes Archeopteryx from modern birds.
The absence of air cavities in the bones distinguishes Archeopteryx from modern birds.



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