The Naked Ape, which was serialised in the Daily Mirror newspaper and has been translated into 23 languages, depicts human behaviour as largely evolved to meet the challenges of prehistoric life as a hunter (see Nature versus nurture).

Morris further stated that the more rounded shape of human female breasts means they are mainly a sexual signalling device rather than simply for providing milk for infants.

In 2006, an independent film was made, based loosely on the book, written and directed by Daniel Mellitz, starring Josh Wise, Chelse Swain, Sean Shanks, Amanda MacDonald, Tony LaThanh, Corbin Bernsen.

[3] Writing for The Observer in 2017, science journalist Angela Saini said, "His consistent failure to understand the impact of patriarchy and female repression bordered on the bizarre.

"[3] Sociologist Stanislav Andreski, in his book Social Sciences as Sorcery (pp 151–152) referred to it as pseudoscience that "provides an uneducated public...with rather childish pornography".