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10 Cards in this Set
- Front
- Back
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EARTH |
4.6 BILLION |
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LIFE |
3.8 BILLION YEARS |
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PROKARYOTES |
SINGLE CELLED ; 3.5 BILLION YEARS |
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OXYGEN ACCUMULATION |
2 BILLION YEARS |
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EUKARYOTE LIFE |
MULTI-CELLULAR 2.1 BILLION YEARS |
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MULTI-CELLULAR EUKARYOTE LIFE |
(CONTAINS NUCLEUS) 1.2 BILLION YEARS |
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ANIMAL DIVERSITY |
543 MILLION YEARS |
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CAMBRIAN EXPLOSION |
540 MILLION YEARS |
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LAND COLONIZED BY PLANTS AND FUNGUS |
500 MILLION YEARS |
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LAND COLONIZED BY HUMANS |
200 MILLION YEARS |
