Gracile australopithecines include all of the following except __________.

Sexual dimorphism in Homo erectus is __________.

The famous footprints of Australopithecus were found at __________.

Which of the following is NOT a distinct hominin trait?

Generally, the greater the sexual dimorphism, the __________ the social dominance of males over females.

A common primate trait is __________.

Anthropologist Donald Johanson found 40 percent of the skeleton of a female hominid at Hadar; he named it __________ after the Beatles song.

Humans evolved from earlier __________ which are now extinct.

The prosimians resemble other mammals _________ the anthropoid primates do.

The main process that increases the frequency of adaptive traits through time is called __________.