The ability to _ is an adaption to avoid predators ?

your answer is to move

Explanation:

Camouflage is a good response, but if you're on Gradpoint, this is not an option. Plus, it's common sense; though blending into your surroundings can be beneficial, it does not guarantee safety. If you're spotted, the next best thing to do is run (or rather, move).

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

not sure if this what   you'r looking for would be percent composition