What is another word for holoparasitic?
Pronunciation: [hˌɒləpˌaɹɐsˈɪtɪk] (IPA) 
Holoparasitic refers to a plant or organism that relies entirely on a host for its nourishment. Synonyms for this term include "obligate parasitic," meaning it is completely reliant on a host for survival, "facultative parasitic" indicating a degree of host dependency but with some level of autonomy, or "heterotrophic" which is a broader term for any organism that needs to acquire nutrients from the environment. Other related concepts include "endoparasitic," where the parasite lives within the host, or "ectoparasitic," where the parasite lives on the surface of the host. These terms can be used interchangeably depending on the details of a specific parasitic relationship.
