They are practically toothless. They lay eggs but suckle their young. X. Primates A. Primates include prosimians, tarsoids, and anthropoids. Anthropoids include monkeys, apes, and humans. Hominoids include apes and humans.
Hominid refers to human lineages only.
B. Most primates live in tropical or subtropical forests, woodlands, or savannas. With the exception of humans, most primates are tree dwellers. There was less reliance on sense of smell and more on daytime vision. Skeletal changes led to upright walking, which freed the hands for novel tasks. Changes in bones and muscles led to refined hand movements.