Which taxon is the outgroup the rest of the dinosaur clade shown here? Question 2 options: Living birds Archaeopteryx Eoraptor Ornithischian dinosaurs Four digits In hands Eoraptor Coelophysolds Hollow bones, furcula (wish bone) Pubic boot, three digits In hand Hollow cylindrical feathers Tufted feathers III II III IV Loss of V; II and III about the same length III Allosaurids II Compsognathids III Tyrannosaurolds Oviraptorosaurs Dromeosaurids Semilunate carpal in hand, feathers dosed with barbules and hooks, nest-brooding III. Archaeopteryx Feathers dosed and asymmetrical Long arms (ulna longer than femur) Toothless beak, fused wing digits, short feathered tall III II Living birds III Reduction of IV and V Loss of IV and V; II is longer Reduction of III Elongation of II Reduction of I; fusion of II and III; loss of some phalanges