The fossil record Flashcards

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1
Q

geological timeline

A
  1. emergence of prokaryotes 2. widespread photosynthesis 3. first eukaryotes 4. first multicellular organisms 5. camrian explosion 6. animals on land 7. mammals 8. flowering plants
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2
Q

how have mass extinctions contributed to evolution

A

mass extinctions opened up new niches and allowed for rapid evolution of organisms yo fill these vacant niches

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3
Q
A
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