It makes sense that some lifeforms will be everywhere. We 34th century types are probably as good as illustrated by Ridley Scott at keeping to quarantine procedures, so intrepid explorers in their rush to make footfall on as many planets as possible will have spread algae and other organisms far and wide. And then there is of course the life forms that, despite not being measurably intelligent, are space faring: I'm patiently waiting for Stage Trees to be introduced.It seems like you'll be able to tell if a planet will support life based on it's scan stats. Atmosphere type and density, average temperatures, stuff like hat. Planets that support life/have life are absolutely crowded with it. You can land pretty much anywhere on the planet and you'll see it's dominant life-form. Some types of life are so common that you can find similar ones on entirely different planets (A little bit of a letdown sometimes. It seems like they allow the same lifeform to exist on another planet without any procedurally generated differences) But there seems to be a variety, and there are rarer types of life that you don't commonly find, or only find on special types of planets with special conditions
After mapping a planet, it's now possible to switch between several different overlays to the map (instead of the old generic blue overlay we have in Horizons), this is likely how you'll find it on planets with sparse bio lifeforms.Yep, but first we need to find them. I hope/assume the sciency suit will come with some sort of waveform analyser/visualiser similar to what we have in the SRV. The ship should really also have it for low-altitude flight so we could do more efficient surveys.