It makes its living eating bacteria and yeast out in the dry , salty soils that dominate the valleys .
Scottnema lindsayae , a microbial feeder and the most abundant and widely distributed metazoan invertebrate , often occurs as the sole metazoan species in the McMurdo Dry Valleys .
Scottnema lindsayae makes Scottnema lindsayae 's living eating bacteria and yeast out in the dry , salty soils that dominate the valleys .
Scottnema lindsayae , a microbial feeder and the most abundant and widely distributed metazoan invertebrate , often occurs as the sole metazoan species in the McMurdo Dry Valleys .