Biotrophic

Entirely dependent upon another living organism as a source of nutrients.

Biotrophic

A word used of parasites that can complete their development on only a living host (cf. Necroparasite).
Found on http://www.blackwellpublishing.com/Townsend/Glossary/GlossaryB.html

biotrophic

biotroph, biotrophic, biotrophy 1. A reference to a parasite deriving nutrients from the tissues of a living host. 2. An organism that can live and multiply only on another living organism; such as, parasitic or symbiotic bacteria and fungi, carnivores, herbivores, etc.
Found on http://www.wordinfo.info/words/index/info/view_unit/2819/30
No exact match found