| # | Term | Definition | From Set |
|---|---|---|---|
| 1 | Precambrian Era | No Animals? | AP Enviro Chapter 5 & 15 |
| 2 | Precambrian Era | earliest and longest geologic era | Ru's Geologic Time Vocabulary(Ch 17/18) |
| 3 | Precambrian Era | earliest and longest geologic era | Geologic Time Vocabulary |
| 4 | Precambrian Era | earliest and longest geologic era | Geologic time vocab |
| 5 | Precambrian Era | earliest and longest geologic era | Geologic Time |
| 6 | Precambrian Era | earliest and longest geologic era | Geological Time |
| 7 | Precambrian Era | earliest and longest geologic era | science exam terms |
| 8 | precambrian era | unicellular organisms originated | evolution |
| 9 | Precambrian Era | 4.6 million - 545 million years ago | Earth's History - Geologic Time Scale |
| 10 | Precambrian Era | Oldest, longest era, land is formed 4.6 billion years ago by volcanoes | Earth's History - Geologic Time Scale |
| 11 | Precambrian Era | Bacteria and green algae forms during this time | Earth's History - Geologic Time Scale |
| 12 | Precambrian Era | Started 4.5 bya with the creation of the earth and ended with the Cambrian Explosion 545 mya. The only life forms in this era were prokaryotes | Evolution Terms for Bio Exam |
| 13 | Precambrian era | (~4.6billion - 542 million years ago) much happened, prokaryotes, eukaryotes | Bio 1B Quiz 2 |
| 14 | Precambrian Era | The time up to 544 million years ago | 8th Grade Science Vocabulary (Nichols) |
| 15 | precambrian era | first era of time (4.6-4 billion years ago) | Bio110 midterm3 |
| 16 | Precambrian era | 15 - 5 BYA | bio ch 19&20 |
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