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biological niches
the role of a species in an ecosystem
should be exclusive to an organism; if two try to occupy the same one, one gets outcompeted
autotrophs
produce their own food using inorganic compounds
heterotrophs
consummer already existing organic mass
what is always needed for life
energy; contrust chemical complexity
sugar
fighting randomness=> requires, therefore releases energy
obligate aerobe/anaerobe
Must be in their respective environment
facultative anaerobe
can survive without oxygen, but develops faster with oxygen
holozoic nutrition
food is
ingested
digested internally
absorbed and assimulated
egested ( shitting )`
all animals
mixtrophics
can do everything
all three domain
eukariota
prokariota
archea
archea domain feeding
can do photosynthesis
oxidation of carbon compounds
oxidation of inorganic compounds
saprotrophic
extracellular digestion
mostly in funghi, oftentimes decomposesr