This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Produced by living organisms or biological processes.

adj. Necessary for the maintenance of life processes.

adj. produced by living organisms, or by a biological process

adj. essential for the maintenance of life

adj. produced by living organisms.

adj. essential for maintaining the fundamental life processes

adj. produced by living organisms or biological processes

"With his drawings and accompanying descriptions, Haeckel promoted the idea that “ontogeny recapitulates phylogeny,” also called the biogenic law."

essential   

sympathomimetic    antimycobacterial    resectable    cancer-causing    non-optimal    nephrotoxic    iron-bearing    operable    all-or-nothing    crew-served