Multiple Choice
Correctly match the definition with the correct geologic time period.
-early dinosaurs; first mammals; mass extinction at end of period; 200-250 mya
A) Quaternary
B) Jurassic
C) Carboniferous
D) Ordovician
E) Precambrian
F) Paleogene/Neogene
G) Triassic
H) Devonian
I) Cambrian
J) Cretaceous
K) Permian
L) Silurian
Correct Answer:

Verified
Correct Answer:
Verified
Q43: Monotremes,like the duck-billed platypus,are egg-laying mammals covered
Q44: Which kind of organism makes up the
Q45: According to the figure of Xu's dinosaur-bird
Q46: Any two groups of organisms will have
Q47: Explain two ways that mass extinctions can
Q49: Correctly match the definition with the correct
Q50: Match each adaptation with the most specific
Q51: Match each adaptation with the most specific
Q52: Briefly explain how new scientific findings may
Q95: The Cambrian explosion _.<br>A) caused a lack