76 free colonies photos from Freerange

A petri plate containing Escherichia coli.

Examining a petri plate for bacteria.

E. coli growing on a filter on an agar plate.

A group of seagulls perched on a metal fence, their white feathers contrasting against the grey background. Some of the seagulls are looking around while others are preening their feathers.

Microorganisms growing.

Microorganisms growing.

Bacteria on a petri plate.

Microbiology technique

Escherichia coli colonies growing on an agar plate.

Escherichia coli colonies growing on an agar plate.

Zone of inhibition produced by Lingonberry extract on an EMB agar plate containing E. coli and a control.

Vibrant hues of a thriving reef come alive in this intimate glimpse of an invertebrate coral, showcasing the beauty and fragility of underwater life

Microorganisms growing.

Macro image of sewage bacteria.

Coliforms growing on DC media.

Examining bacteria colonies on an agar plate.

Salmonella bacteria growing on an agar plate.

Science microscope for biology and microbiology

Macro image of sewage bacteria.

Microscope view of freshwater algae Oscillatoria.

Filtered water sample containing E. coli growing on DC media.

Bacteria growing on a petri plate.

Bacteria plate in a rack.

Bacteria colonies on an agar plate.

Sewage bacteria growing on an agar plate.

Microbiology swabs, loops and needles for inoculating cultures in a solution of disinfectant.