PART 1 Flashcards
INFO FROM CHAPTER 1
3 general groups of nonhuman primates
1) prosimians 2) monkeys 3) apes
homologous traits
features that are inherited from a common ancestor
analogous
features that are produced because of environmental constraints, not from a common ancestor
primitive traits
a trait that has not changed from an ancestral state
derived traits
newly evolved features that do not appear in the fossils of common ancestors
the primate pattern
general tendencies expressed by all primates
current focus of primate study
behavioural ecology
taxonomy order
order, sub-order, infraorder, superfamily, family, subfamily, genus, species
new world primates
primates found in South America
old world monkeys
primates found in Africa and Asia
4 groups of primates characteristics
1) grasping hands
2) visual systems
3) large complex complex brains
4) skeletal and dental features
arboreal theory
primate pattern represents an adaption to an arboreal habitat
suborder of primates
1) prosimii
2)anthropoidea
infraorder of prosimii
1) lorisiformes
2) tarisiformes
3) lemuriformes
infraorder of anthropidea
1) platyrrhine (NWM)
2) catarrhine (OWM, apes, humans)