Organism Living in or on Another That It Feeds Off
This page is the CodyCross answer for the clue below from London, Group 499, Puzzle 5 (Portobello Road Market).
Question is: Organism Living in or on Another That It Feeds Off
and the answer is: PARASITE
Word Meaning:
PARASITE — (biology) An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.
Definitions from Wiktionary.