They derive sustenance and agility through eating the fruits and nuts (drupes).

She sat on the edge of the cot, her body seeming to derive much needed sustenance from each inhalation.

She guesses they are deriving sustenance from the cumulative minute emissions of radiation from all the electrical equipment on Alpha.

The surrounding waters are important feeding areas for birds and some scavenging species also derive sustenance from their co-habitants on the islands.

It is a parasitic plant that derives sustenance and nutrients from mycorrhizal fungi that attach to roots of trees.

"Deriving sustenance from emotion is not unknown-- and fear is among the strongest and most intense of the emotions."

Paradoxically, therefore, they derived even more emotional sustenance from being able to say, "This is the most primitive potrzebie, you know, still at work in any industrialized country!"

It should be noted that the zombies have no true physiological need for flesh, nor can their expired digestive organs derive sustenance from it at all.

Adults do not derive sustenance from flowers and rarely feed.

They are nocturnal, long-lived and derive sustenance from the drinking of human blood.