Question

Archaeopteryx was a:

mammal-like reptile
horse ancestor
dinosaur
early bird

Please answer with the scientifically correct answer. It is either "EARLY BIRD" or "Dinosaur.

Answer 1

Archaeopteryx was a DINOSAUR.
Formerly, Archaeoptery was classified as an early bird, but it was later re-classified as a dinosaur because it shares more similarity with the dinosaurs. Scientists have not really reach a consensus about this classification.
Archaeoptery was re-classify as a dinosaur because it share many anatomical structure with coelurosaurs which are a group of carnivorous dinosaurs.