The features associated with the Olmec, Zapotec, and Chavin civilizations generally include elements of cosmo-magical beliefs and various forms of artifacts depicting humans and animals. Based on the descriptions provided, the best response that captures the essence of these civilizations is:
cosmo-magical belief system centered on worshipping mythical creatures, and artifacts with human, avian, and feline features.
This option aligns well with the artistic representations found in their cultures. The Olmec, for example, are known for their jaguar motifs, the Zapotecs had deities with varying human-animal characteristics, and the Chavin culture featured hybrid human-animal figures in their art.