Final answer:
An autotroph is a producer that can produce its own food using energy from the environment.
Step-by-step explanation:
An autotroph is an organism that is able to produce its own food using energy from the environment. They are also known as producers. This is in contrast to consumers that rely on other organisms for food, and decomposers that break down dead organic material. An example of an autotroph is a plant that uses photosynthesis to convert sunlight into energy and create glucose.
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