Cenozoic Era Flashcards

(42 cards)

1
Q

2 cenozoic orogenic belts

A

alpine-himalayan orogenic belt, circum-pacific

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2
Q

abrupt warming trend 55 MYA

A

paleocene-eocene thermal maximum

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3
Q

dominant flightless birds, paleogene

A

diatryma

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4
Q

3 mammal groups

A

monotremes, marsupials, placental

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5
Q

shrews, moles, hedgehogs

A

insectivora

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6
Q

40% of mammals

A

rodentia

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7
Q

rodent like with long powerful hind limbs

A

lagomorpha

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8
Q

winged mammal

A

chiroptera

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9
Q

bears, seals, skunks, dogs

A

carnivora

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10
Q

hoofed mammals of artiodactyla and perissodactyla

A

ungulate

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11
Q

even toed hoofs

A

artiodactyla

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12
Q

odd toed hoofs

A

perissodactyla

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13
Q

earliest member of the horse family

A

hyracotherium

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14
Q

giant land dwelling mammals

A

proboscidea

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15
Q

blue whales

A

cetacea

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16
Q

manatee and dugong

A

sirenia

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17
Q

ice age

18
Q

first primate appearance

19
Q

lower primates

20
Q

higher primates

21
Q

3 anthropoidea families

A

cercopithecoidea, ceboidea, hominoidea

22
Q

close set, downward directed nostrils

A

cercopothecoidae

23
Q

flattish face, widely separated nostrils

24
Q

3 hominoidae families

A

pongidae, hylobatidae, hominidae

25
evolved in africa during the miocene
dryopithecenes
26
powerful jaws and thick-enameled teeth with flat chewing surfaces, suggesting a diet of harder and coarser foods, including nuts.
sivapithecids
27
oldest known hominid
sahelanthropus tchadensis
28
where was sahelanthropus tchadensis found
chad's djurab desert, 2002
29
6 MYA hominid
orrorin tugenensis
30
term for all austrolopithecus
austrolopithicene
31
5 austrolopithicenes
anamensis, afarensis, africanus, robustus, boisei
32
oldest austrolopithicene
anamensis
33
where was anamensis found
kanapoi, lake turkana, kenya, 4.2 mya
34
3.9 to 3 mya hominid
afarensis
35
3 to 2.3 mya hominid
africanus
36
earliest homo genus
homo habilis
37
where was homo habilis found
olduvai gorge, tanzania
38
700 cc brain size
homo habilis
39
800 to 1300 cc brain size
homo erectus
40
where was neanderthals found
neander valley, dusseldorf, germany
41
successors to neanderthals
cro-magnon
42