Vibrate as sound waves reach them. the vibrations are sent to the and are translated as some might even say that the ear is a or a device that translates one form of energy into another.

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

this question your asking is true hope this and you get a 100 percent : )