This is a thread for collecting links to useful scientific concepts and examples of species on Earth.
Here’s a list of the biggest single cells discovered on Earth. It seems the largest bacteria are 0.75mm, the largest cell with a single nucleus can be 10cm tall and the largest multinucleate cell can have fronds 3m long.
Here is some information on a relative shallow (570m) hydrothermal vent.
Bacteria propelled by slime jets.
Animals which can photosynthesize.