which of them have organism which r all absorptive in nutrition protista animalia bacteria fungi
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Answer:
heterotroph (/ˈhɛtərəˌtroʊf, -ˌtrɒf/;[1] Ancient Greek ἕτερος héteros = "other" plus trophe = "nutrition") is an organism that cannot produce its own food, instead taking nutrition from other sources of organic carbon, mainly plant or animal matter. In the food chain, heterotrophs are primary, secondary and tertiary consumers, but not producers.[2][3] Living organisms that are heterotrophic include all animals and fungi, some bacteria and protists,[4] and many parasitic plants. The term heterotroph arose in microbiology in 1946 as part of a classification of microorganisms based on their type of nutrition.[5] The term is now used in many fields, such as ecology in describing the food chain.
Heterotrophs may be subdivided according to their energy source. If the heterotroph uses chemical energy, it is a chemoheterotroph (e.g., humans and mushrooms). If it uses light for energy, then it is a photoheterotroph (e.g., green non-sulfur bacteria).