Land turtles defend themselves by going in their shells or finding holes to hide in. Sea turtles find places to hide and also go in their shell for protection.
they protect themselves with their like rock shells.
They retract into their shells for protection
logger head turtles defend there self by atakking there enermies
Porcupines defend themselves with their quills.
they defend themsleves by hiding in their shell
Porcupines defend themselves with their quills.
They defend themselves by releasing disgusting slime when attacked.
The turtle's shell means that from above, it is completely protected, but the shell is more like the backbone of a turtle, so it cannot retract its limbs into its shell, and this means that if it were attacked from below by a shark, it would be unable to defend itself. Examples of this can be seen when turtles come up to breath, and are attacked when they leave their underbelly exposed.
They run away from predators or may defend themselves using their horns.
they hide in their protective armour, their shell.
Probably how most dogs defend themselves; By biting and growling and snarling.
They don't really defend themselves. They hide in aneomes and swim away.