They have very sharp teeth and claws. They also have VERY powerful hind legs and will kick and kill their enemies. Male rabbits will injure, castrate and kill other male rabbits. i saw a male Rex rabbit kick and kill a cat, broke his neck.
Watch Monty Python and the quest for the holy grail. It needs no defense, it jumps at your neck! no but seriously, they run away, fight or flight response. they always choose flight.
It runs but if caught it can use it's front and hind legs to scratch its predator.
it scratches
A flower may have thorns such as a rose does enabling it to passively defend itself .
it kill itself
a sea star defend itself by hiding under rocks year around
he defend his self by flying
how dose a boobook owl defend itself
by blending in
By biting.
An ox will use its horns, head, hooves, and weight to kill the enemy or defend itself.
Japanese beetles are winged insects. To defend itself from predators, it can either fly away from danger or burrow itself deep inside the soil.
What i think that nosebottled dolphin to defend itself is by biting their enemy and swim away as fast as they can.