Nature - culture is a mutually independent relationship. The laws of culture are independent of the laws of biology.
Nature - culture is a symmetry involving the assimilation of natural species on the cultural plane.
Nature - culture is a distinction whereby women are symbolic of nature and men of culture.

Nature - culture is an illusory distinction. There is no consistent dichotomy, only a matrix of contrasts.
Nature - culture is distinction whreby on the plane of nature there is a diversity of species, and on a cultural plane, a diversity of functions.
Nature - culture is a problematic distinction whereby culture no more interferes with nature than the eye interferes with vision. It is not the kind of thing about which you can ask 'how much'' Does it influence.
Nature - culture is a problematic distinction whereby nature is never just nature but always culture as well, and culture is never just culture but nature as well.
Nature - culture is a distinction that our benighted ancestors, in their world of alchemy, astrology, and phrenology, never made, and that we moderns are being forced to reconsider as issues such as global warming, deforestation, and even black holes inextricably mix politics, science, technology, and nature.