Why is the ability to respond to stimuli important for survival?

our ability to react to a stimulation can save us or kill us quickly.

"OUCH THAT BURNS" can be a make or break situation.

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.

b. lithosphere, asthenosphere, mesosphere   is the answer most likely