Pop Quiz: Do you know the difference between a turtle and a tortoise? Though often used interchangeable, the two words do not mean the same thing. Let's look at some of the differences between turtles and tortoises.
All tortoises are turtles. Tortoises belong to the order Testudines or Chelonia, which contains reptiles that have bodies encased in bony shells. But not all turtles are tortoises.
