| All three of these isthmuses are bisected by canals to facilitate shipping. |
|
| Unquestionably the two most famous isthmuses are the Isthmus of Panama, connecting North and South America, and the Isthmus of Suez, connecting Africa and Asia. |
|
| Both these isthmuses are very narrow compared to the bulk off the landmasses they unite. |
|
| Like many isthmuses, it is a location of great strategic value. |
|
| Isthmuses are of great importance in plant and animal geography because they offer a path for the migration of plants and animals between the two land masses they connect. |
|
