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FRCC BIO204-601 Ch7 Terminology Table 7.1
Prefixes and suffixes to nutritional classification of microbes
12
Microbiology
Undergraduate 1
09/30/2015

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Term
troph-
Definition
Food, nourishment

Trophozoite—the feeding stage of protozoa
Term
-phile
Definition
To love

Extremophile—an organism that has adapted to (“loves”) extreme environments
Term
-obe
Definition
To live

Microbe—to “live small”
Term
hetero-
Definition
Other

Heterotroph—an organism that requires nutrients from other organisms
Term
auto-
Definition
Self

Autotroph—an organism that “feeds by itself”
Term
photo-
Definition
Light

Phototroph—an organism that uses light as an energy source
Term
chemo-
Definition
Chemical

Chemotroph—an organism that uses chemicals rather than light for energy
Term
sapro-
Definition
Rotten

Saprobe—an organism that lives on dead organic matter
Term
halo-
Definition
Salt

Halophile—an organism that can grow in high-salt environments
Term
thermo-
Definition
Heat

Thermophile—an organism that grows at high temperatures
Term
psychro-
Definition
Cold

Psychrophile—an organism that grows at cold temperatures
Term
aero-
Definition
Air (O2)

Aerobe—an organism that uses oxygen in metabolism
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