Instead of consuming material that is then converted into energy, the aliens absorb it directly from sunlight.

The energy-generating fission zone steadily advances through the core, effectively consuming fertile material in front of it and leaving spent fuel behind.

Because all the records emphasize the speed with which Thread consumes organic material.

Worms excavate burrows by consuming material or, preferably, pushing it away.

Many are saprotrophic, and obtain energy by consuming organic material produced by other organisms.

In addition to consuming trees, more intense wildfires tend to produce substantial amounts of smoke by consuming flammable material located on the ground.

They can consume detrital material, diatoms, invertebrates, small fry and vegetation ranging from macroalgae to rooted plants.

At depths where no primary production occurs, zooplankton and bacterioplankton instead consume organic material sinking from more productive surface waters above.

It is thought that humans can contract the disease by consuming material from animals infected with the bovine form of the disease.

Thread is described in this series as an agent that consumes organic material at a voracious rate, including crops, animals, and any humans in its path.