Pyramids of number are not always perfect pyramids because of large organisms at the bottom and small ones at the top. Biomass is living or recently dead tissue.

My aim is to use insights from Microbial Ecology to improve the industrial breakdown of plant biomass into sugars.' Story Source: Materials provided by University of Groningen.

New images from ESA's Biomass satellite reveal forests, volcanoes, deserts and glaciers in striking detail, hinting at what's still to come.

The assessment of Kingman Reef turned up an unusual find: an inverted food pyramid where predators such as sharks accounted for 85 percent of the total fish biomass.