MATCHING Correctly Match the Definition with the Correct Geologic Time Period

MATCHING
Correctly match the definition with the correct geologic time period
-Precambrian

A) repeated advance and retreat of glaciers; evolution of humans; extinction of large mammals and birds; 0-2.6 mya
B) continents begin to separate; diverse dinosaurs; first birds; first flowering plants; 145-200 mya
C) extensive forests; amphibians dominate life on land; increase in diversity of insects; first reptiles; 300-360 mya
D) further increases in diversity of marine invertebrates and vertebrates; plants and fungi begin to colonize land; mass extinction at end of period; 445-490 mya
E) origin of life; photosynthesis causes oxygen content of Earth's atmosphere to increase; first eukaryotes; first multicellular organisms; 540 mya-3.8 bya
F) continents near present positions; increased diversity of flowering plants, birds, mammals, and pollinating insects; 2.6-65 mya
G) early dinosaurs; first mammals; mass extinction at end of period; 200-250 mya
H) increase in diversity of land plants; first amphibians colonize land; mass extinction late in period; 360-415 mya
I) large and relatively sudden increase in the diversity of animal life; increase in diversity of algae; first vertebrates; 490-540 mya
J) flowering plants begin to dominate life on land; mass extinction at end of period, including extinction of the last dinosaurs; 65-145 mya
K) continents come together to form Pangaea; reptiles dominate life on land by 265 mya; mass extinction at end of period; 250-300 mya
L) increase in diversity of fishes; first hints of colonization of land by insects and other invertebrates; 415-445 mya

Correct Answer:

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