Dragonflies that ranged in size from those smaller than today's dragonflies to some with wingspans of 75 centimeters (2.5 feet) appeared during the:
A) Cambrian period.
B) Ordovician period.
C) Silurian period.
D) Devonian period.
E) Carboniferous period.
Correct Answer:
Verified
Q41: One source of fossil organisms in Precambrian
Q42: The "Age of Fishes" is an informal
Q43: The first land animals were probably the:
A)
Q44: Great swamp forests covered the globe and
Q45: Precambrian rocks contain fossils of:
A) only single
Q47: The greatest mass extinction of all time,
Q48: Amphibians' history include all of the following
Q49: Among the following, which is the longest
Q50: The time in the history of Earth
Q51: The first fish:
A) were small and jawless
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