Knowledge Tree
Relations (1)
cross_type 2.32 — strongly supporting 2 facts
Water is fundamentally linked to Earth as a necessary solvent for all known life forms on the planet [1], [2], and as a chemical factor that influences the suitability of elements like silicon for life [3]. Additionally, water is cited alongside Earth as a medium containing living beings in philosophical discourse regarding the habitability of the universe [4].
Facts (2)
Sources
Hypothetical types of biochemistry - Wikipedia en.wikipedia.org 1 fact
claimAs of 2026, all known Earth-based life forms utilize carbon compounds for structural and metabolic functions, water as a solvent, and DNA or RNA to control their form.
Carbon may not be the only basis for life. Look for silicon, too bigthink.com 1 fact
claimElemental silicon is unsuitable for life on Earth because it oxidizes into silicates when exposed to atmospheric oxygen or liquid water.