Question 1 1 points Save Which era ended in the greatest mass extinction event i

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Question 1 1 points Save
Which era ended in the greatest mass extinction event in world history?

Paleozoic
Mesozoic
Precambrian
none of the above
Question 2 1 points Save
The Ordovician period ended

when the dinosaurs died off.
with the ice age.
in mass extinction.
none of the above
Question 3 1 points Save
During which period did vascular plants develop?

Cambrian
Ordovician
Devonian
Silurian
Question 4 1 points Save
Which of the following invertebrates thrived in shallow seas during the Devonian?

coral
brachiopods
crinoids
all of the above
Question 5 1 points Save
The first ferns appeared late during which period?

Devonian
Silurian
Cambrian
none of the above
Question 6 1 points Save
What caused the Devonian mass extinction?

a meteorite
global cooling
humans
none of the above
Question 7 1 points Save
The lacy bryozoans were among the first invertebrate groups to recover after the _____ extinction.

Cambrian
Devonian
Carboniferous
Silurian
Question 8 1 points Save
Which of the following vertebrates evolved in the Carboniferous period?

amphibians
reptiles
mammals
fish
Question 9 1 points Save
During which period did Pangaea complete its formation?

Cambrian
Carboniferous
Permian
Devonian
Question 10 1 points Save
The end of the ______ period was also the end of the Paleozoic Era.

Cambrian
Permian
Devonian
Silurian

Explanation / Answer

1 Which era ended in the greatest mass extinction event in world history? Mesozoic 2 The Ordovician period ended in mass extinction. 3 During which period did vascular plants develop? Ordovician 4 Which of the following invertebrates thrived in shallow seas during the Devonian? all of the above (coral, crinoids, brachiopods) 5) The first ferns appeared late during which period? Devonian 6) What caused the Devonian mass extinction? none of the above (unless your proferssor prefers the meteorite theory) 7) The lacy bryozoans were among the first invertebrate groups to recover after the _____ extinction. Silurian 8) Which of the following vertebrates evolved in the Carboniferous period? fish 9) During which period did Pangaea complete its formation? Permian 10)The end of the ______ period was also the end of the Paleozoic Era. Permian

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