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primate group ( (Haplorhines “dry- nosed” primates. (anthropoids "…
primate group
Haplorhines
“dry- nosed” primates.
tarsier
Small,
Nocturnal
Large eyes.
Has the ability to rotate its head 180 degrees
anthropoids
"humanlike" primates
New World monkeys
prehensile tail
Old World monkeys
Noses tend to be narrower and their
Bodies are usually larger.
Spend more time on the ground.
None have prehensile tails,
Some have no tails.
Most have opposable digits.
hominoid
(apes+humans)
apes
large brain
longer arms than legs
barrel-shaped chests,
no tails, and
flexible wrists.
have complex vocalizations.
Great apes
Orangutans: the largest arboreal primates
Gorillas: the largest of the primates.
Chimpanzees and bonobos: body positions and gestures, and social behavior
Humans: classified in a separate subcategory of hominids called hominins.
walk on either two or four legs
Lesser apes
generally move by brachiation.
EX. gibbon
hominine:
bipedal
fully upright stance
shortened arms
restructured pelvic bones and foot bones
change in the position of the head on the spinal cord.
Australopithecines
small
apelike brains and jaws.
teeth and limb joints were humanlike.
Homo
bigger brains
lighter skeletons
flatter faces
smaller teeth
Homo habilis "handy man” :
used stone tools
Homo ergaster: migrated
Homo erectus: used fire
includes “Java Man”and “Peking Man,”
Homo floresiensis—” The Hobbit”
Homo heidelbergensis—“mosaic” traits
Homo sapiens
Homo neanderthalensis
Paranthropus
Strepsirrhinesr
“wet-nosed” primates
Primate Evolution