Test 2 Terms Flashcards
Strepsirhines
Lemurs and lorises
No trichromatic vision, tooth comb, lack post orbital closure, diverse diet, nocturnal & diurnal, arboreal and terrestrial
Tarsiers
Haplorhines, Nocturnal, biggest eyes relative to size
Orthograde posture
Arms and legs parallel
New world monkeys
Platyrrhines
Flat nose, lack trichromatic vision, post orbital closure, brachiation and prehensile tails, 2-1-3-3 arcade, all arboreal
Old world monkeys
Catarrhines
Sharp nosed, trichromatic vision, post orbital closure, tails for balance, 2-1-2-3 arcade, ischial callosites
Lesser Apes
Gibbons and siamangs
Low sexual dimorphism, brachiate, monogamy, smallest apes
Asian great Apes
Sexual trimorphism, arboreal tree benders, 2 surviving species
Pan troglodytes
Chimps
P. Paniscus
Bonobos
Radiocarbon
100yr - 40k
U-Series
(1000yr - 1 Ma)
Potassium Argon dating
500ka
Skeletal profiles
Ranked first access to kill to third access aka scavenged remnants
Paleocene
Earliest fossils found in China
Eocene
Strepsirhines ( lemurs and lorises)
Oligocene
Haplorines monkeys. Branching of old and new monkeys
Miocene
Apes
Proconsul probably early monkey and ape ancestor
Porgies
Orangutan
Hominids
Chimps, apes, bonobos, and humans
Hominin
Humans and their ancestors
First derived hominin trait to appear
Bipedalism
Paranthropines
Robust Australopithecines
Zygomatics
Cheekbones
Out of Africa hypothesis
Parapatric speciation in Africa then replaced other hominins
Multi regional hypothesis
Sympatric speciation/anagenesis from h erectus across world sustained by gene flow
H.Heidelbergensis
Speculated from h erectus in Africa then migrated out
Denisovans
Mtdna Distinct from Neanderthals and modern humans
200Ka
Humans evolved in Africa