Most dinosaurs died out by the end of the ____ period.
A) Triassic
B) Jurassic
C) Cretaceous
D) Quaternary
E) Permian
Correct Answer:
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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
Q8: Angiosperms first appeared during the _ period.
A)
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
Q14: Which group of animals are living representatives
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