Complex sentence: Ayla makes inroads into animal and even plant domestication as well as-from the reader's perspective-the rational codification of knowledge, or epistemology; this is contrasted with the Clan's reliance on inherited memories.
Split into simpler sentences: Ayla makes inroads into animal and even plant domestication as well as--from the reader's perspective--the rational codification of knowledge. This rationality is contrasted with the Clan's reliance on inherited memories.