What is the underlying principle that supports the idea that all living organisms share the same core processes and features

According to the loco mass the mass of reactants and products

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

All organisms contribute some water to the water cycle by conducting