Please answer the following question: Fact 1: Birds evolved from a group of bipedal dinosaurs called theropods. Fact 2: Feathers are highly probable in the advanced bird-like theropods. Given the two facts above, answer the question "What are highly probable in the evolution of a group of bipedal dinosaurs?" with the following options: - group activities - heat energy - lack of teeth - animals - high altitidues - mammals - fur and fat - feathers
A:
feathers