Similarly culture is also a evolutionary practice which began some millions years ago. Early primates invented the practice of washing potatoes, cracking nuts, fetching water, making tools etc. And their descendents gradually continued these practices, created other cultures and became more dependent on them. These behavioral similarities between animal and human can justify how our culture evolved. Moreover anthropologist Rick Potts have distinguished five element of cultural foundation through which culture evolved 1) Transmission, copying behavior by observation, 2) memory, memorizing new behavior, 3) reiteration, imitate learned behavior, 4) innovation, invent new behavior 5) selection, select which behavior to keep and which to discard.
Similarly human cultures are also vulnerable to different external