Angiosperms first appeared during the ____ period.
A) Cambrian
B) Jurassic
C) Cretaceous
D) Neogene
E) Devonian
Correct Answer:
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Q3: If the entire history of the Earth
Q4: Fossils are predominantly found in _.
A) metamorphic
Q5: The first dinosaur fossils were discovered in
Q6: The time interval used to measure the
Q7: Over time, the carbon isotope14C decays into
Q9: Most dinosaurs died out by the end
Q10: According to the geological time scale, which
Q11: During the Cretaceous period, _.
A) mammals diversified
Q12: Mammals underwent an evolutionary "explosion", or major
Q13: The earliest signs of life appeared on
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