'Biological material' may refer to:
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Biological tissue, or just ''tissue''
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Biomass, living or dead biological matter, often plants grown as fuel
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Biomass (ecology), the total mass of living biological matter
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Biomolecule, a chemical compound that naturally occurs in living organisms
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Biotic material, from living things
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Bio-based material, a processed biotic material
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Cellular component, material and substances of which cells (and thus living organisms) are composed
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Organic material (or organic matter), derived from living things or containing carbon
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Viable material, capable of living, developing, or germinating under favorable conditions. (''see:
viability'')