Heterotrophs.

Compared with autotrophs, plants are generally autotrophs (except Nepenthes, etc.). ), and they can absorb inorganic substances from nature to synthesize organic substances, while heterotrophs can only rely on absorbing organic substances to maintain its life, such as us humans.

Heterotrophs refers to those organisms that can only use the ready-made organic matter in the external environment as energy and carbon source, ingest these organic matters into the body, convert them into their own constituent substances, and store energy.

Biology such as: fungi that live in decay and parasitism, most kinds of bacteria.

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