| 11. | They can be parasitic or saprotrophic.
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| 12. | They are saprotrophic and most grow on the ground, but some are found on wood.
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| 13. | Species are thus diverse and are variously ectomycorrhizal, lichenized, associated with mosses, or saprotrophic.
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| 14. | Unlike bacteria, which are unicellular organisms, most saprotrophic fungi grow as a branching network of hyphae.
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| 15. | Their metabolism has long been debated, but recent research shows that they are neither mycorrhizal nor saprotrophic.
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| 16. | The biotrophic stage, and what triggers its switch to a saprotrophic stage, are still not understood.
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| 17. | Some saprotrophic strains of " P . syringae " have been used as biocontrol agents against postharvest rots.
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| 18. | It is thought that the common ancestor was saprotrophic, and that ancestor to the latter two genera became mycorrhizal.
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| 19. | Most Mucoralean species are saprotrophic, and grow on organic substrates ( such as fruit, soil, and dung ).
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| 20. | However, this classification was the result of its taxonomic history and comparisons with saprotrophic fungi that are not closely related.
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