Term
| What are the dates for the beginning and end of the Cenozoic era? |
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Definition
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Term
| What does the term Cenozoic mean? |
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Definition
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Term
| What are the dates for the beginning and end ot the Mesozoic era? |
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Definition
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Term
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Definition
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Term
| What are the dates for the beginning and end of the Paleozoic era? |
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Definition
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Term
| What does Paleozoic mean? |
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Definition
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Term
| What are the dates for the beginning and end of the precambrian era? |
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Definition
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Term
| What does precambrian mean? |
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Definition
| before the cambrian (wasn't that an intense definition) |
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Term
| When was the earth formed? |
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Definition
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Term
| How old are the oldest rocks on earth? |
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Definition
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Term
| How long ago didn the coeans approach their current volume? |
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Definition
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Term
| How long ago didn the coeans approach their current volume? |
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Definition
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Term
| How long ago didn the coeans approach their current volume? |
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Definition
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Term
| How old are the oldest prokaryote fossils? |
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Definition
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Term
| When did oxygen gas begin to accumulate in the atmosphere |
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Definition
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Term
| When did oxygen gas begin to accumulate in the atmosphere |
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Definition
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Term
| How old are the oldest eukaryote fossils? |
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Definition
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Term
| When was the cambrian explosion? |
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Definition
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Term
| When did the first amphibians evolve? |
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Definition
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Term
| When did the first reptiles evolve? |
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Definition
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Term
| When did the first mammals evolve? |
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Definition
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Term
| When did the first flowering plants evolve? |
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Definition
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Term
| WHen did the dinosaurs go extinct (there was also a major mammal radiation at this time)? |
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Definition
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Term
| When did the first primates evolve? |
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Definition
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Term
| When did the first bipedal hominids evolve? |
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Definition
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Term
| When did the first bipedal hominids evolve? |
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Definition
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Term
| When did hominids begin using tools? |
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Definition
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Term
| When did hominids first come out of Africa? |
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Definition
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