Is the word ‘Autotroph’ rightly used to describe animals based on nutrition? Justify

Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy

I don't think that they are known as 'Autotroph'

Explanation: Encyclopedic entry. 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.

a polymer is a chainlike molecule made up of small molecular units. these small molecular units are called monomers. monomers of polymer can be joined together either naturally or synthetically.