In an experiment, a microbiologist put e...

In an experiment, a microbiologist put equal number of each of the following organisms into a flask of sterile broth, consisting mostly of sugar and a few amino acids. He, then placed the flask in the dark. Which of the organism would be most likely to survive?

Chemoheterotrophic bacteria

Cyanobacteria

Photoheterotrophs

Photoautotrophs

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