What key distinction in requirements separates habitability for complex life versus microbial life?

Answer

Sustaining complex life requires consistent cycling and predictable energy input, managing the environment.

While microbial life might emerge with simple ingredients, sustaining complex, multicellular organisms demands that the planet actively manages its environment through consistent nutrient cycling and predictable energy input, requirements that go beyond just having the basic chemical ingredients.

What key distinction in requirements separates habitability for complex life versus microbial life?

#Videos

Planet Earth - What Makes It Habitable? - YouTube

astronomyplanetHabitabilityLife support