Final answer:
Prehistoric and ancient art have differences in terms of the roles of artists, the presence of animals, the scale of architectural structures, and the themes and focus of the artwork.
Step-by-step explanation:
A) In prehistoric art, artists occupied roles as laborers producing a product, while artists in ancient times were celebrated for their roles as creators of beautiful objects.
B) Both prehistoric and ancient art feature red-figure style, but prehistoric art has no animals while ancient art does.
C) Ancient architectural structures were built on a much grander scale than the structures of prehistoric societies, demonstrating the differences between the two.
D) Prehistoric art is known for its poetic observations on the natural world, while ancient art is more focused on historical and narrative elements.