Unformatted text preview: ◦ Trend toward diurnality – Awake during the day and asleep at night. As opposed to nocturnal ◦ Trend toward enlargement and increased complexity of the brain – Increased reliance on learned behaviors rather than instinctual. Not genetically programed. Most learning is down by repetitive observation rather than teaching. ◦ Trend toward longer gestation periods and infant dependency – Primate offspring tend to be young for a long time dependent on the parents but also tend to live longer. ◦ Delayed reproductive maturity and greater longevity – Not ready to go off on their own at a young age like puppies for instance. ◦ Trend toward living in stable social groups – Primates among all others live in a very stable social group. They span the every type known of groups....
View Full Document
- Spring '08
- Psychology, Depth perception, Binocular vision, generalized limb structure