They can't protect themselves from herbivores.
Kelp is a type of seaweed that attaches itself to the sea bed and has long fronds that float up to the surface. A kelp bed is the name given to a "forest" of kelp plants.
kelp,kelp,kelp,kelp,kelp,kelp,kelp,kelp,and most importantly....... Drum roll please!!!........KELP
how do young protect itself
An animals that eats or otherwise damages kelp, making it difficult to harvest for human consumption is the sea otter. This endangered species wraps itself in kelp, and eats keystone species that eats kelp, damaging it in the process.
how does 'what' protect itself.
A blackbrid can protect itself from danger by
Pig protect itself by hiding
how dose the milkfish protect itself
The opossum protect itself by playing dead.
Sea otters tangle themselves up in the kelp, while they sleep, so they do not float away
All organisms have all kinds of adaptations. If giant kelp have chloropasts, then giant kelp can receive its energy and nutrients from sunlight. This photosynthesis helps the kelp survive. Another adaptation of giant kelp could be having a holdfast, which keeps it anchored to the seafloor, preventing the kelp from drifting away from kelp forests.
THe Meller's Chameleon protect itself by blending in.