contestada

Question 1
During which era did the breakup of Pangaea begin?


Paleozoic


Mesozoic


Precambrian


none of the above

1 points  
Question 2
Bivalves became important parts of _____ as the Triassic period progressed.


phytoplankton


forests


reefs


none of the above

1 points  
Question 3
Which of the following is NOT a type of swimming reptile?


ichthyosaurs


placodonts


nothosaurs


none of the above

1 points  
Question 4
Plesiosaurs swam by using their paddle-like limbs in a manner similar to that of a


fish.


sea lion.


human.


none of the above

1 points  
Question 5
During which period did the first birds evolve?


Permian


Cretaceous


Triassic


Jurassic

1 points  
Question 6
Which of the following is a characteristic of carnosaurs?


long narrow skulls


strong forelimbs


horns projecting from their skulls


all of the above

1 points  
Question 7
Angiosperms appeared near the beginning of the ______ period.


Cretaceous


Jurassic


Triassic


none of the above

1 points  
Question 8
What is Triceratops an example of?


mosasaurs


hadrosaurs


ankylosaur


ceratopsians

1 points  
Question 9
Pterodactyls in the Cretaceous period had ______ tails.


long


short


no


none of the above

1 points  
Question 10
The Deccan Traps in ______ happened at the same time as the Cretaceous mass extinction.


Australia


India


Alaska


Greenland