1. Tortoises are land dwelling reptiles with heavy and domed shells while
Turtles are aquatic or semi aquatic.
2. Tortoises are herbivores
Turtles are omnivores
3. All tortoises are turtles
But all turtles are not tortoises
4. Tortoises have longer lifespans
Turtles have comparatively shorter ones
5. Tortoises have column like legs to support their weight on land.
Turtles have adapted themselves for swimming.