Question 1 1 points Save Which era ended in the greatest mass extinction event i
ID: 17267 • Letter: Q
Question
Question 1 1 points SaveWhich era ended in the greatest mass extinction event in world history?
Paleozoic
Mesozoic
Precambrian
none of the above
Question 2 1 points Save
The ______ period encompasses the time from 505 to 440 million years ago.
Cambrian
Ordovician
Devonian
none of the above
Question 3 1 points Save
Cooksonia is a typical early _____ plant.
non-vascular
vascular
algae
none of the above
Question 4 1 points Save
Which of the following came about in the Devonian period?
amphibians
terrestrial vertebrates
forests
all of the above
Question 5 1 points Save
Some anatomical similarities suggest that _____ and sphenophytes may have shared a common ancestor.
insects
amphibians
algae
ferns
Question 6 1 points Save
Where did the marine life most affected by the extinction live?
the Arctic circle
rivers and streams
warm tropical waters
none of the above
Question 7 1 points Save
The Carboniferous forests became massive amounts of
coal.
pollution.
diamonds.
none of the above
Question 8 1 points Save
There appears to have been no mass extinction associated with the _____ period.
Cambrian
Carboniferous
Devonian
Silurian
Question 9 1 points Save
The first conifers had small
needles.
leaves.
trunks.
none of the above
Question 10 1 points Save
The Permian period ended in the greatest extinction of the ______ Eon.
Paleozoic
Precambrian
Phanerozoic
Devonian
Explanation / Answer
c
d
b
d
b
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