Answer:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Tiny organisms that live in the ocean are autotrophs. Some types of bacteria are autotrophs.
I hope this helps :)
False its not particals of air it is some kind of wave. i forget the name of the waves that allow us to hear but it is not particals of air.
You would have to have unlimited resources and no predators.
