Question 1

How does the breakup of Pangaea influence the Mesozoic distribution and development of plants and animals?

Accepted Answer

Intercontinental migrations became incre...

Question 2

Which oldest positively identified fossil bird had feathers, but retained many reptile characteristics?

Accepted Answer

A)   ichthyosaurs
B)   plesiosaurs
C)   therapsid
D)   Utatsusaurus
E)   ArchaeopteryxF) A) and E)
G) A) and B)

Question 3

The organisms that replaced Paleozoic corals as the major reef builder in the Mesozoic were ____.

Accepted Answer

A)   scleractinians
B)   rudist bivalves
C)   oysters
D)   cephalopods
E)   gastropodsF) None of the above
G) A) and E)

Question 4

Discuss the origin and development of mammals during the Mesozoic.

Accepted Answer

A group of mammal-like reptiles, called ...

Question 5

Any vertebrate (such as amphibians and reptiles)  that depends on external heat to regulate body temperature is said to be ____.

Accepted Answer

A)   cyclothemic
B)   vascular
C)   heterotrophic
D)   ectothermic
E)   endothermicF) A) and D)
G) B) and E)

Question 6

The mammal-like reptiles at the end of the Paleozoic were ____.

Accepted Answer

A)   thecodonts
B)   therapsids
C)   protoavis
D)   hesperornis
E)   monotremesF) A) and C)
G) A) and B)

Question 7

Faunas became more diverse during the breakup of Pangaea because ____.

Accepted Answer

A)   angiosperms dominated
B)   gymnosperms dominated
C)   climate was highly variable
D)   of increased competition for shoreline and shelf habitats
E)   intercontinental migration was more difficultF) B) and E)
G) None of the above

Question 8

Dinosaurs evolved from the Saurischians.

Accepted Answer

A) True 
 B)False

Question 9

The first vertebrates to achieve flight were ____________________.

Accepted Answer

The answer of The first vertebrates to achieve flight were...

Question 10

Compare and contrast land plant communities of the Triassic and Jurassic with those of the Cretaceous.

Accepted Answer

The Triassic and Jurassic land flora wer...

Question 11

Dinosaurs are examples of ____.

Accepted Answer

A)   fish
B)   invertebrates
C)   amphibians
D)   reptiles
E)   mammalsF) B) and D)
G) None of the above

Question 12

Mammal and reptile fossils can be differentiated based on ____.

Accepted Answer

A)   pelvis shape
B)   stomach contents
C)   habitat, as determined from rock type
D)   outer covering
E)   ear bone and jaw structureF) B) and E)
G) A) and B)

Question 13

The Mesozoic Era is called the "Age of Reptiles" because ____.

Accepted Answer

A)   there were more reptiles than any other type of animal
B)   reptiles were the only animals to show evolutionary change
C)   even though there were more plants than reptiles, plants did not evolve
D)   reptiles predominated the land-dwelling vertebrate animals
E)   reptiles dominated the oceansF) A) and D)
G) A) and E)

Question 14

Typical reptiles are endotherms.

Accepted Answer

A) True 
 B)False

Question 15

All feathered dinosaurs could fly.

Accepted Answer

A) True 
 B)False

Question 16

True mammals evolved from ____________________, which were the most mammal-like of group of ____________________, which were mammal-like reptiles.

Accepted Answer

cynodonts;...

Question 17

The cynodonts were the direct ancestors of early mammals.

Accepted Answer

A) True 
 B)False

Question 18

Placental mammals give birth to live young.

Accepted Answer

A) True 
 B)False

Question 19

The theropod dinosaurs were the ancestors to the modern reptile groups, including snakes, lizards and turtles.

Accepted Answer

A) True 
 B)False

Question 20

The primitive archosaurs were the ancestors to both modern birds and crocodiles.

Accepted Answer

A) True 
 B)False

Exam 15: Life of the Mesozoic Era

Any vertebrate (such as amphibians and reptiles) that depends on external heat to regulate body temperature is said to be ____.

Correct AnswerverifiedShow Answer

Mammal and reptile fossils can be differentiated based on ____.

Correct AnswerverifiedShow Answer

The theropod dinosaurs were the ancestors to the modern reptile groups, including snakes, lizards and turtles.

Correct AnswerverifiedShow Answer

True mammals evolved from ____________________, which were the most mammal-like of group of ____________________, which were mammal-like reptiles.

Correct Answerverifiedcynodonts;...View AnswerShow Answer

Discuss the origin and development of mammals during the Mesozoic.

Correct AnswerverifiedA group of mammal-like reptiles, called ...View AnswerShow Answer

The cynodonts were the direct ancestors of early mammals.

Correct AnswerverifiedShow Answer

The organisms that replaced Paleozoic corals as the major reef builder in the Mesozoic were ____.

Correct AnswerverifiedShow Answer

The primitive archosaurs were the ancestors to both modern birds and crocodiles.

Correct AnswerverifiedShow Answer

Which oldest positively identified fossil bird had feathers, but retained many reptile characteristics?

Correct AnswerverifiedShow Answer

Dinosaurs evolved from the Saurischians.

Correct AnswerverifiedShow Answer

Compare and contrast land plant communities of the Triassic and Jurassic with those of the Cretaceous.

Correct AnswerverifiedThe Triassic and Jurassic land flora wer...View AnswerShow Answer

The mammal-like reptiles at the end of the Paleozoic were ____.

Correct AnswerverifiedShow Answer

Dinosaurs are examples of ____.

Correct AnswerverifiedShow Answer

All feathered dinosaurs could fly.

Correct AnswerverifiedShow Answer

Placental mammals give birth to live young.

Correct AnswerverifiedShow Answer

Typical reptiles are endotherms.

Correct AnswerverifiedShow Answer

Faunas became more diverse during the breakup of Pangaea because ____.

Correct AnswerverifiedShow Answer

The Mesozoic Era is called the "Age of Reptiles" because ____.

Correct AnswerverifiedShow Answer

How does the breakup of Pangaea influence the Mesozoic distribution and development of plants and animals?

Correct AnswerverifiedIntercontinental migrations became incre...View AnswerShow Answer

The first vertebrates to achieve flight were ____________________.

Correct AnswerverifiedShow Answer

Correct Answer
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True mammals evolved from , which were the most mammal-like of group of , which were mammal-like reptiles.

Correct Answer
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cynodonts;...
View Answer

Correct Answer
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A group of mammal-like reptiles, called ...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The Triassic and Jurassic land flora wer...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Intercontinental migrations became incre...
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Correct Answer
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