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DINOSAURS > MESOZOIC DUH > Flashcards

MESOZOIC DUH Flashcards

1
Q

what three periods make up the Mesozoic era?

A

Triassic period
Jurassic period
Cretaceous period

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2
Q

when was the Triassic period?

A

250-200 million years ago

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3
Q

when was the Jurassic period?

A

200-145 million years ago

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4
Q

when was the Cretaceous period?

A

145-65 million years ago

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5
Q

what was the super continent called?

A

Pangaea

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6
Q

what animals mainly made up the Triassic period?

A
  • first dinosaurs, marine reptiles, lizards
  • mammals existed but not significant
  • lots of crocodiles
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7
Q

what was the climate like during the Triassic period?

A

warm with a dry continental interior and no evidence of ice at the poles

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8
Q

what plants were alive during the Triassic period?

A

conifers
cycads
ferns

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9
Q

what animals mainly made up the Jurassic period?

A
  • large plant plant-eating dinosaurs
  • smaller carnivorous dinosaurs
  • flying reptiles and the first birds
  • tiny mammals no bigger than rats.
  • oceans had tiny plankton to huge, whale-sized marine reptiles
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10
Q

what was the climate like during the Jurassic period?

A

warm tropical greenhouse conditions worldwide

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11
Q

what plants were alive during the Jurassic period?

A
  • conifers (most diverse large trees)
  • cycads (so abundant, jurassic is sometimes called the “Age of Cycads”)
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12
Q

what animals mainly made up the Cretaceous period?

A
  • dinosaurs and marine reptiles
  • diversified birds
  • many new mammals
  • insects appeared and began to diversify (ants, termites, bees, butterflies, aphids, grasshoppers)
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13
Q

what was the climate like during the Cretaceous period?

A

mild global climate with ice-free poles

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14
Q

what plants were alive during the Cretaceous period?

A

appearance & rapid diversification of the first flowering plants

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15
Q

when was the Therizinosaurs alive? (<3)

A

late Cretaceous
(100-66 million years ago)

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16
Q

when did the Carnetaurus live? (<3)

A

late Cretaceous
(72 million years ago)

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17
Q

when did the Spinosaurus live? (<3)

A

late Cretaceous
(72 million years ago)

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18
Q

what was the top predator of the Triassic period?

A

Saurosuchus

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19
Q

what was the top predator of the Jurassic period?

A

Razana
(razanandrongobe sakalavae)

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20
Q

what was the top predator of the Cretaceous period?

A

Tyrannosaurus Rex (T. Rex)

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21
Q

what happened before the Triassic period? (and the start of the Mesozoic era as a whole)

A

Permian–Triassic extinction event

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22
Q

what percetage of the Earth did the Permian–Triassic extinction event kill?

A

90%

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23
Q

what period did the Brachiosaurus live?

A

Jurassic

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24
Q

what period did the Allosaurus live?

A

Jurassic

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25
Q

what period did the Velociraptor live?

A

Cretaceous

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26
Q

what period did the Rhoetosaurus live?

A

Jurassic

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27
Q

who is fixated on dinosaurs since they were very young?

A

rebecca

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28
Q

what dinosaur name means “fast thief” and lived during the Cretaceous period?

A

Velociraptor

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29
Q

on which continent have the most dinosaur fossils been found?

A

NORTH AMERICA BABYYYYY

30
Q

what does the word “dinosaur” mean?

A

terrible lizard

31
Q

for an average T. Rex, how long were its arms?

A

3 ft long

32
Q

there was a dinosaur fossil that was originally thought to be the fossil of a bison. which dinosaur was it?

A

Triceratops

33
Q

what is the only dinosaur lineage to survive the extinction?

A

birds
(this is why the chicken is the closest relative to the T. Rex that we know of woohoo!)

34
Q

how much meat could a T. Rex eat in a singular bite?

A

500 mf pounds

35
Q

what dinosaur name means “covered lizard”?

A

Stegosaurus

36
Q

what is the most complete T. Rex fossil named?

A

Sue

37
Q

what was the first carnivorous dinosaur to be discovered in Antarctica?

A

Cryolophosaurus

38
Q

how many teeth did a triceratops have?

A

800!!

39
Q

what do some paleontologists believe Brachiosaurus’ had?

A

trunks (like elephants)

40
Q

what are the spikes on the end of a dinosaur’s tail called?

A

thagomizers

41
Q

what was the wingspan of the smallest (known) pterodactyl?

A

10ft

42
Q

when the first Megalosaurus fossil was discovered, what was it mistaken for?

A

a giant human

43
Q

who discovered the first fossilized dinosaur eggs?

A

Jean-Jacques Poech

44
Q

in what country were dinosaur fossils thought to be dragon bones?

A

China

45
Q

wow many wings did a microraptor have?

A

four

46
Q

what dinosaur had the smallest brain for its body size?

A

Stegosaurus

47
Q

have there been any dinosaur fossils found in Ohio?

A

no.

48
Q

what was the lifespan of a T. Rex?

A

20-30 years

49
Q

what was the first non-carnivorous theropod fossil to be discovered?

A

THERIZINOSAURUS ONE OF MY FAVSSSS

50
Q

what was the first dinosaur to be discovered?

A

Megalosaurus

51
Q

the meteor that struck earth fell in what modern-day country?

A

Mexico

52
Q

which dinosaur had fifteen horns?

A

Kosmoceratops
(like fairy odd parents)

53
Q

what was the first mounted dinosaur skeleton?

A

Hadrosaurus

54
Q

what dinosaur is believed to have weighed up to 110 tons?

A

Argentinosaurus

55
Q

how are the two groups of dinosaurs differentiated?

A

hip bones
(Ornithischia; bird-hipped, Saurischia; lizard-hipped)

56
Q

what does the name Dilophosaurus mean?

A

two-crested lizard

57
Q

what dinosaur genus was originally named from a single feather?

A

Archaeopteryx

58
Q

in Jurassic Park, what dinosaur was the Velociraptor mostly based on>

A

Deinonychus

59
Q

was the Therizinosaurus a carnivore or herbivore?

A

herbivore<3

60
Q

what weighed more, a fully grown Spinosaurus or Deinonychus?

A

Spinosaurus<3

61
Q

what continents have dinosaur fossils been found on?

A

ALL

62
Q

what were the largest type of dinosaur?

A

Sauropods

63
Q

what dinosaur had the strongest bite of any animal ever?

A

T. Rex

64
Q

what was the tallest dinosaur?

A

Sauroposeidon
(about 23ft tall at SHOULDER)

65
Q

what was the last known living dinosaur?

A

Triceratops

66
Q

what dinosaur had the shortest name?

A

Minmi

67
Q

what does the name ‘Tyrannosaurus Rex’ mean?

A

King of the Tyrant Lizards

68
Q

what dinosaurs had the smallest skulls?

A

Torosaurus

69
Q

what were dinosaurs called when they could run on two legs?

A

bipeds

70
Q

TRUE OR FALSE - all dinosaurs laid eggs

A

true

71
Q

what was the biggest prehistoric fish?

A

megalodon WOOOOO

DINOSAURS (1 decks)

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