A product of photosynthesis is glucose which is a sugar. This sugar(glucose) is food for the plants.
The difference between a multicellular organism and a colonial organism is that individual one-celled organisms from a colony can, if separated, survive on their own. so yes colonial organisms can live on their own.
Know -
Transmitted through droplets
Has a range of side effects (loss of taste and smell, fever, etc)
People can be asymptomatic
Wonder -
When will we be able to return to semi-normal life?
Will we have to take a shot every year (similar to the flu?)
Why do some coronavirus patients become long-haulers who have recurring symptoms for many months?
Learned -
The mechanics of mask-wearing
How an individual can help their society as a whole
Many members of the population are hesitant to listen to scientists