Ignorance is a terrible thing, don’t you think?
Here’s an old post of mine on how a one-celled organism ate algae that wouldn’t die… and the symbiotic pairing became more resilient during times of food shortage, or shortage of light!
I think this is a pretty important finding … buried within one of the hundreds of YouTube videos on Evolution !
Protists that fed on algae cells swallowed some that would not be digested and did not die… and they were lucky they did! Those algae cells helped the Protists survive starvation - - and provide an exquisite parallel to the acquisition of proto-mitochondria by one celled life ages ago…
Here’s the link to the actual posting: