<transcript><audio_228>uh technical question for you know for someone since i only work with fairly recent foreign when you're looking at the the values that you're showing um are there also is like what proportion of the forums in this sample are you working with are there a</transcript><transcript><audio_229>lot of species that are either unidentified or is there a proportion that that okay it depends if i'm doing biostatigraphy so it's enough that i will find one</transcript><transcript><audio_230>species in order to identify a layer but if i'm doing some ecology or environmental so i need to collect 300 specimens at least from some kind of</transcript> uh technical question for you know for someone since i only work with fairly recent foreign when you're looking at the the values that you're showing um are there also is like what proportion of the forums in this sample are you working with are there a lot of species that are either unidentified or is there a proportion that that okay it depends if i'm doing biostatigraphy so it's enough that i will find one species in order to identify a layer but if i'm doing some ecology or environmental so i need to collect 300 specimens at least from some kind of
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