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Autotrophic definition: An organism capable of synthesizing its own food from inorganic substances, using light or chemical energy.

Heterotroph definition: An organism deriving its nutritional requirements from complex organic substances.

Yersinia pestis (Y. pestis) is both. It is autotrophic (an autotroph) because it is not always in a host (in the presence of organic energy/food). It must, therefore, make its own food to survive. It is heterotrophic because it feeds on organic energy/food mainly (human, rodent, and flea hosts).

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10y ago
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12y ago

Trepobena pallidum is a heterotroph because it feeds off of a living organism

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14y ago

heterotroph

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Q: Is treponema pallidum an autotroph or an heterotroph?
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