Mark Moffett / Ant (Philidris sp) group live in the fern's speckled stem, where they drag nutrient rich debris to create compost for the fern Orange spores provide food source for ants, Bako, Borneo

Mark Moffett / Ant Plant (Hydnophytum sp) which grows plastered to tree trunks, provides ants (Philidris sp) with a home, drawing nutrient from insect parts collected and brought home by the ants, Bako National Park...

Niall Benvie / Plateau bog with mosses in nutrient-rich flush, Little Kilrannoch, Glen Doll, Scotland

Mark Moffett / Ant (Philidris sp) group lives in the fern's speckled stem, where they drag nutrient rich debris to create compost for the fern Orange spores provide food source for ants, Bako, Borneo

Tom Vierus / High coral cover at Rainbow Reef located in the nutrient-rich Somosomo Strait between Taveuni Island and Vanua Levu, Fiji, Pacific Ocean.

Tony Wu / Newly hatched Japanese horseshoe crab (Tachypleus tridentatus) swimming into murky nutrient-rich water column filled with frenzy of copepods (Copepoda) . Sea of Japan, Yamaguchi Prefecture, Japan.

Tony Wu / Carnation coral (Dendronephthya sp.) colony growing on top of rock, where currents provide ample nutrient flow, with light in background from scuba diver. East China Sea, Kagoshima Prefecture, Japan.

Nigel Cattlin / A culture of the pathogenic fungus Rhizoctonia solani growing on a PDA nutrient plate.

Nigel Cattlin / A culture of Rice blast fungus (Magnaporthe grisea) growing on a PDA nutrient agar plate.

Alex Hyde / Soil bacteria cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Cultured at the University of Derby. Derbyshire. UK. March. 10mm across, x10 magnification when pr...

Alex Hyde / Soil bacteria cultured on nutrient agar from a soil sample collected in Via Gellia Woods, Derbyshire. Cultured at the University of Derby, Derbyshire, UK. March. 23mm across, x4 magnification when pri...

Alex Hyde / Soil bacteria and fungi cultured on nutrient agar, imaged under partial ultraviolet lighting showing fluorescence of a Pseudomonas sp. colony in a soil sample from Via Gella Woods, Derbyshire, UK. Mar...