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| Highscores (40 registered players) | ||||
|---|---|---|---|---|
| Member | Score | Time | Date | |
| 1 | Jonas | 100% | 0:22.8 min. | 28 Apr, '15 |
| 2 | sven-the-man2 | 100% | 0:25.6 min. | 1 May, '11 |
| 3 | Heatran | 100% | 0:28.0 min. | 1 May, '11 |
| 4 | Vostermans Ventilati | 100% | 0:28.2 min. | 8 Jan, '10 |
| 5 | zoel | 100% | 0:28.9 min. | 27 Apr, '11 |
| 6 | joc3942 | 100% | 0:31.3 min. | 8 Sep, '18 |
| 7 | Kathy | 100% | 0:31.5 min. | 3 Jan, '10 |
| 8 | makropulos | 100% | 0:31.9 min. | 27 Dec, '19 |
| 9 | Braminator | 100% | 0:32.6 min. | 16 Jun, '13 |
| 10 | smellpepper | 100% | 0:32.6 min. | 29 Apr, '11 |
| 11 | Rumpleteazer | 100% | 0:32.9 min. | 5 Sep, '18 |
| 12 | Geography RULES!!! | 100% | 0:33.2 min. | 22 Mar, '13 |
| 13 | BoboLo | 100% | 0:34.5 min. | 5 Jan, '10 |
| 14 | itsasbeltza | 100% | 0:35.1 min. | 13 Sep, '18 |
| 15 | Ericvd | 100% | 0:37.5 min. | 2 May, '11 |
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This is an online quiz called The Great American Interchange
There is a printable worksheet available for download here so you can take the quiz with pen and paper.
When the Isthmus of Panama formed, the Americas were united. Many types of creatures moved across it. Here are a few such groups. Some became extinct in one continent, others survive in both, and still others are extinct in both.
Map by Woudloper at Wikipedia / Wikimedia
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