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Sam's Animals and Ecology > Dinosaurs > Flashcards

Dinosaurs Flashcards

1
Q

What is a dinosaur?

A

A dinosaur is a type of reptile that lived during the Mesozoic Era.

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2
Q

True or False: Dinosaurs are still alive today.

A

False

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3
Q

During which era did dinosaurs primarily exist?

A

The Mesozoic Era.

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4
Q

Fill in the blank: The three periods of the Mesozoic Era are the ______, ______, and ______.

A

Triassic, Jurassic, Cretaceous.

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5
Q

What does the term ‘theropod’ refer to?

A

Theropods are a group of bipedal dinosaurs that includes modern birds.

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6
Q

Which dinosaur is known for having a long neck?

A

Brachiosaurus.

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7
Q

Multiple Choice: Which of the following is a carnivorous dinosaur? a) Stegosaurus b) Tyrannosaurus rex c) Triceratops

A

b) Tyrannosaurus rex

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8
Q

What is the primary diet of herbivorous dinosaurs?

A

Plants.

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9
Q

True or False: The word ‘dinosaur’ means ‘terrible lizard.’

A

True

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10
Q

What is the significance of the fossil record in studying dinosaurs?

A

The fossil record provides evidence of the existence, diversity, and evolution of dinosaurs.

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11
Q

Fill in the blank: The largest known dinosaur is the ______.

A

Argentinosaurus.

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12
Q

What event is widely believed to have led to the extinction of dinosaurs?

A

A massive asteroid impact.

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13
Q

Multiple Choice: Which of these dinosaurs was bipedal? a) Stegosaurus b) Velociraptor c) Diplodocus

A

b) Velociraptor

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14
Q

What are the two main groups of dinosaurs?

A

Saurischia and Ornithischia.

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15
Q

True or False: All dinosaurs were large and fearsome.

A

False

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16
Q

What is the name of the famous dinosaur fossil site in Montana?

A

The Hell Creek Formation.

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17
Q

Fill in the blank: Dinosaurs are classified as ______.

A

Archosaurs.

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18
Q

What is the primary feature that distinguishes birds from other dinosaurs?

A

Feathers.

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19
Q

Multiple Choice: Which of the following was a marine reptile, not a dinosaur? a) Plesiosaurus b) T. rex c) Triceratops

A

a) Plesiosaurus

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20
Q

What is the estimated time period when dinosaurs first appeared?

A

About 230 million years ago.

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21
Q

True or False: Dinosaurs are closely related to modern reptiles.

A

True

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22
Q

What does the term ‘ornithischian’ refer to?

A

A group of herbivorous dinosaurs characterized by a bird-like hip structure.

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23
Q

Fill in the blank: The most well-known dinosaur fossil is the ______.

A

Tyrannosaurus rex.

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24
Q

Which dinosaur is known for its plates along its back?

A

Stegosaurus.

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25
Q

What kind of environment did dinosaurs inhabit?

A

Dinosaurs inhabited a variety of environments, including forests, plains, and deserts.

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26
Q

Multiple Choice: Which dinosaur is famous for its large frill and three facial horns? a) Velociraptor b) Triceratops c) Brachiosaurus

A

b) Triceratops

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27
Q

What is the primary method scientists use to date dinosaur fossils?

A

Radiometric dating.

28
Q

True or False: Dinosaurs were the only large animals during the Mesozoic Era.

A

False

29
Q

Fill in the blank: The Cretaceous Period ended approximately ______ million years ago.

A

66

30
Q

What adaptation allowed some dinosaurs to run quickly?

A

Long legs and lightweight bodies.

31
Q

Multiple Choice: Which of these dinosaurs was a herbivore? a) Allosaurus b) Diplodocus c) Velociraptor

A

b) Diplodocus

32
Q

What is a defining feature of sauropod dinosaurs?

A

Their long necks and tails.

33
Q

True or False: Dinosaurs could survive in cold climates.

A

True

34
Q

What is the primary reason why dinosaurs are studied?

A

To understand their evolution and the history of life on Earth.

35
Q

Fill in the blank: The study of dinosaurs is known as ______.

A

Paleontology.

36
Q

What does the term ‘extinction’ mean?

A

The end of a species when no individuals are left.

37
Q

Multiple Choice: Which dinosaur is known for its ability to glide? a) Pterosaur b) Archaeopteryx c) Brachiosaurus

A

b) Archaeopteryx

38
Q

What is the significance of the K-T boundary?

A

It marks the mass extinction event that wiped out the dinosaurs.

39
Q

True or False: Dinosaurs were warm-blooded.

A

This is still debated among scientists.

40
Q

Fill in the blank: The dinosaur known as the ‘king of the dinosaurs’ is ______.

A

Tyrannosaurus rex.

41
Q

What type of teeth did herbivorous dinosaurs have?

A

Flat teeth for grinding plants.

42
Q

Multiple Choice: Which dinosaur had a beak-like mouth? a) Stegosaurus b) Triceratops c) Hadrosaurus

A

c) Hadrosaurus

43
Q

What is the role of a paleontologist?

A

A paleontologist studies fossils to learn about past life on Earth.

44
Q

True or False: Dinosaurs could fly.

A

True, some dinosaurs evolved into birds.

45
Q

Fill in the blank: The first dinosaur to be named was ______.

A

Megalosaurus.

46
Q

What is a common misconception about dinosaurs?

A

That all dinosaurs were large.

47
Q

Multiple Choice: Which dinosaur is known for its speed? a) Brachiosaurus b) Velociraptor c) Triceratops

A

b) Velociraptor

48
Q

What is the name of the period known for the rise of mammals after the extinction of dinosaurs?

A

The Cenozoic Era.

49
Q

True or False: Some dinosaurs had feathers.

A

True

50
Q

Fill in the blank: The dinosaur that could swim was called ______.

A

Spinosaurus.

51
Q

What is the main purpose of dinosaur tracks?

A

To provide evidence of dinosaur behavior and movement.

52
Q

Multiple Choice: Which dinosaur is known for its sail-like structure on its back? a) Dimetrodon b) Stegosaurus c) Spinosaurus

A

c) Spinosaurus

53
Q

What is the significance of dinosaur eggs in paleontology?

A

They provide insights into dinosaur reproduction and development.

54
Q

True or False: Dinosaurs were the only reptiles during their time.

A

False

55
Q

Fill in the blank: The first dinosaur fossil was discovered in ______.

A

England.

56
Q

What was the primary cause of the mass extinction event that affected dinosaurs?

A

A combination of asteroid impact and volcanic activity.

57
Q

Multiple Choice: Which of these dinosaurs had a long tail? a) T. rex b) Triceratops c) Diplodocus

A

c) Diplodocus

58
Q

What is the primary function of a dinosaur’s frill?

A

To attract mates or intimidate rivals.

59
Q

True or False: All dinosaurs were terrestrial.

A

False

60
Q

Fill in the blank: The dinosaur known for its large claws is the ______.

A

Therizinosaurus.

61
Q

What is the primary characteristic of the dinosaur group Ornithopoda?

A

They were primarily bipedal and had beaks for eating plants.

62
Q

Multiple Choice: Which dinosaur is famous for its armored body? a) Ankylosaurus b) Pteranodon c) Allosaurus

A

a) Ankylosaurus

63
Q

What is the primary reason scientists believe some dinosaurs were social?

A

Fossil evidence of herding behavior.

64
Q

True or False: Dinosaurs are only studied through their bones.

A

False

65
Q

Fill in the blank: The dinosaur with the longest neck was the ______.

A

Sauroposeidon.

66
Q

What is the significance of dinosaur skin impressions?

A

They provide information about the texture and appearance of dinosaur skin.

67
Q

Multiple Choice: Which dinosaur is known for its large size and long tail? a) Stegosaurus b) Brachiosaurus c) Velociraptor

A

b) Brachiosaurus

Sam's Animals and Ecology (10 decks)

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