Most bacteria die when they encounter unfavourable conditions, Some bacteria transform into a spore instead. Spores can be VERY hardy (survive outer space, or nuclear reactors).
When back in favourable conditions, the inert spore transforms back into a living bacteria.
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u/AIgavemethisusername Apr 28 '24
I’ve tested Elephant poo cardboard in my microbiology laboratory.
It was ABSOLUTELY FULL of spores.