The second major component of soils is organic matter produced by organisms.
The conversion of organic matter to CO2 by organisms other than plants.
Seemingly buoyant particles sank as they weathered, were colonised by organisms or caught up in storms.
Niche construction is the process of environmental modification by organisms.
A reminder: Organic molecules aren't necessarily produced by organisms; they're just chemical compounds that contain carbon.
RNA interference is a natural mechanism used by organisms to render genes inactive — presumably the genes of invading pathogens.
If the cultures grew several species of bacteria, then the infection was probably caused by organisms released from the colon.
It is commonly employed by organisms to fend off viruses and other genomic parasites.
"This is wonderfully exemplified in the realm of inorganic materials formation by organisms, so-called 'biomineralization'biomineralization
The disturbance of sediment by organisms, e.g. burrows, trails, or complete mixing.
Aging is exhibited by organisms as diverse as yeast, worms, flies, mice, and humans.
