| NOUN | animal | phototropic bacteria, phototrophic bacteria | green and purple bacteria |
|---|
| Meaning | green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon. | |
|---|---|---|
| Synonym | phototrophic bacteria | |
| Narrower | purple bacteria | free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll |
| Broader | eubacteria, eubacterium, true bacteria | A large group of bacteria having rigid cell walls |
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