Term
mammalia
mammals are _______, and diverged from _____ in the Permian |
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Definition
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Term
Early Evolution of Mammals
____ _____ are often confused with ______. True mammals appear by the ______. The ___ was remodeled during the evolution of mammals from _____ ______. |
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Definition
Early synapsids, dinosaurs, jurassic, jaw, nonmammalian synapsids. |
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Term
Derived Characters of Mammals
list the 4 |
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Definition
mammary glands that produced milk
hair
larger brains
enucleated red blood cells |
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Term
Modern Mammals
name the 3 groups and explain |
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Definition
monotremata- egg laying (platypus)
metatheria - marsupials (kangaroos)
Eutheria- placental mammals (humans) |
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Term
Metatheria
a _____ is born very ____ in its development, but completes its embryonic development while _____ withing a ____ ____ called a _____. |
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Definition
marsupial, early, nursing, maternal pouch, marsupium |
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Term
Eutherians (____ _____)
compared to a marsupial, eutherians have a longer period of ______. Youth complete embryonic development within a ______, jointed to the ___ by the ____. |
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Definition
placental mammals, pregnancy, uterus, mother, placenta |
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Term
Primates
Mammalian order Primates includes ____, _____, ____, and _____. _____ are members of the ape group. |
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Definition
lemurs, tarsiers, monkeys, apes, humans |
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Term
Derived Characters of Primates
Most primates have _____ and ____ adapted for _____.
Primates also have
____ ____ and ___ ____
______-_____ ____ providing ____ _____
well-developed ___ ____ and complex ___ ______
a full ___ ___ |
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Definition
hand, feet, grasping
large brain, short jaws
forward-looking eyes, depth perception
parental care, social behavior
opposable thumb |
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Term
Living Primates
There are 3 main groups name and give example
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Definition
Prosimians (lemurs, lorises, pottos) primitive monkeys
Tarsiers
simiiforms (anthropoids) monkeys and apes |
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Term
Tarsiers are more closely related to ______ |
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Definition
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Term
the fossil record indicates that monkeys
first appeared in ____ ____(South America) during _____.
first monkeys evolved in ___ ___ (africa and Asia)
New World and Old world monkeys underwent _____ adaptive radiations during their many years of separation |
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Definition
New World, ogliocene, old world, separate |
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Term
Hominoids (_____ monkeys)
Consists of primates informally called _____
Diverged from ____ _____ monkeys |
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Definition
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Term
Hominids
Lineage of primates that includes ______
Originated in ______
Early Hominids- Had a _____ brain, but probably walked _____, exhibiting _____ evolution |
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Definition
humans, africa, small, upright, mosaic |
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Term
The study of human origins is known as __________
those who study it have discovered fossils of approximately 22 species of extinct hominoids that are more closely related to _____ than to _____ |
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Definition
paleoanthropology, humans, chimpanzees |
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Term
Derived characters of hominids
list the 7 |
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Definition
upright posture, bipedal locamotion, larger brain, language capabilities, symbolic thought, manufacture and use of complex tools, shortened jaw |
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Term
Two common misconceptions of early hominids are thinking they are ______, and imagining _____ ____ as a ladder leading directly to ___ ____ |
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Definition
chimpz, human evolution, Homo sapiens |
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Term
Australopiths
______ ____ of hominids, had adaptations that suggest ______, but still capable of living in _____. Began to _____ _____ _____ on ____ legs 2 mya |
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Definition
paraphyletic assemblage, bipedalism, trees, walk long distances, two |
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Term
Early Homo "_____ ____"
earliest fossil placed in our genus Homo are those of Homo ______
stone tools have been found with H. ______ giving this species its name which means "_____ _____" |
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Definition
thinking man, habilis, habilis, handy man |
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Term
Homo, main difference between Australopithecus and Homo is the ___ ____. |
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Definition
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Term
Homo ergaster (____)
was the first fully ____, ____-_____ hominid.
first to spread out of ______ |
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Definition
erectus, bipedal, large-brained, Africa |
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Term
Neanderthals, Homo ________
lived in ____ and the near ____.
were ____, ___-____ hominids
became ____ a few thousand year after the arrival of Homo sapiens in Europe. |
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Definition
neanderthalensis, europe, east, large, thick-browed, extinct |
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Term
Homo sapiens
appeared in _____ at least 160,000 ya
Mitochondiral Eve - 170,000 ya
Adam- 59,000 ya
Oldest fossils outside Africa are 50,000 ya, likely serveral radiations out of africa, colonized Europe and Asia contemporary with presence of H. _____ and H. ____ |
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Definition
Africa, neanderthalensis, erectus |
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Term
Rapid Expansion of Homo sapiens
preceded by changes to ___ that made ____ ____ and other ____ ____ possible
Evidence of primitive ___ in other Homo
____ ____ allows more planning
HUmans have a more ____ ____ than neanderthals |
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Definition
brain, symbolic thought, cognitive innovations, society, symbolic thought, varied diet |
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