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spanish 2010 > geol final exam > Flashcards

geol final exam Flashcards

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1
Q

K-pg mas extinction

A

first period of Cenozoic. K is cretaceous

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2
Q

adaptive radiation

A

the evolution of many new species across large areas of eath

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3
Q

chicxulub crater

A

depression in earths crust off the coast of mexico dated 66 ma

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4
Q

glass ejecta

A

superheated quatrz that turns into glass

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5
Q

iridium anomaly

A

platinum group metal that is scarce on earth

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6
Q

deccan traps

A

large igneous province that erupted 66 ma

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7
Q

Cenozoic era

A

age of mammals 3 periods… paleognene, negoene, quaternary

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8
Q

paleogene

A

paleocene - eocene - Oligocene

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9
Q

neogene

A

milocene - pilocene

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10
Q

quaternary

A

pleistocene - holocene

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11
Q

ungulate mammals

A

hoofed mammals that are separated in two groups (artiodacts even toes) (perissodacts odd toes)

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12
Q

bovids

A

even toes ungulates that specialize in living in Savannah

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13
Q

tusks

A

modified teeth

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14
Q

prosimians

A

a primitive primate that evolved in the early paleogene

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15
Q

ape

A

a derived primate that lacks a tail

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16
Q

australopithecines

A

upright walking ape, of south africa

17
Q

Lucy

A

Australopithecines afarensis 3 to 4 million year ago, Ethiopia

18
Q

Homo Erectus

A

a derived human ancestor that evolved at approximately 2 million years ago

19
Q

ancestral traits

A

primitive traits shared by many different members of a taxonomic group

20
Q

derivied

A

unique and newly developed trait that is found in a limited number of related taxa

21
Q

AOH

A

african orgin hyptheis - multiple waves of hormininns dispersing from africa beggiing with homo erectus

22
Q

upper Paleolithic

A

archeological period of human prehistory that characterized by a number of material, cultural inovations

spanish 2010 (9 decks)

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