Is a mushroom a autotroph

Answer 1

No; by definition, an autotroph produces its own nutrition (e.g., photosynthesis, chemosynthesis). mushrooms feed off of living or dead organisms. they can secrete digestive enzymes onto dead biomatter (e.g., leaves, twigs, logs) and absorb the resultant organic nutrients. they can act as parasites and feed off of the metabolism of living plants of animals. they can also attack living organisms. some form symbiotic relationships with algae; these are lichens. some of the more extreme fungi out there can break down the lignin in wood, the protein keratin (of which hair is made); some can metabolize wall paint, others feed on kerosene and aircraft fuel. pretty hardy stuff.

Answer 2

no, a mushroom is not autotrophic because it does not produce it's own food from solar energy. being a decomposer, a mushroom can be defined loosely as a heterotrophe even though it is not an 'animal" per se. but it is definitely not autotrophic, it gets energy from dead and waste matter.