Ocean plants can't usually 'protect' themselves but they are well camouflaged so the predators don't see them.
plants with spikes adapt because the become use to their surroundings and they use their spikes to defend or protect their selves. Hopes this answers you question.
they defend their selves by their claws
not..
spit and kick
By stabing them selves
Mongooses protect them selves by dancing and dogging enemies.
we protect ourselves from running fast and running
They camouflauge and they do not see the animal
no
they bit them
hard shell