Both the Aztec and Inca empires were small in population but advanced in infrastructure
large, wealthy, and sophisticated
large in geographic size but sparsely populated
small and rural, with few impressive buildings

Large, wealthy, and sophisticated

Explanation:

Both of these empires had large populations, so the first choice would not be correct. This is the same reason why the third choice is incorrect. The fourth choice is incorrect because the Aztecs and Incas were advanced, had gold, and the buildings were impressive for their time.

probally   a few days after there called

food chain i would say only because there is competition on getting food and survival