Graptoloids 0.0 / 5 ? GeologyGraptoloidsA2/A-levelOCR Created by: HannahCavielCreated on: 08-03-17 11:53 the entire graptolite skeleton rhabdosome 1 of 23 part where the zooid protruted aperture 2 of 23 individual cup where one zooid lived theca 3 of 23 spine at the end of the sicula virgella 4 of 23 a branch of the rhabdosome stipe 5 of 23 a thin tube, an extension of the sicula nema 6 of 23 a conical structure in which the first member of the colony lives sicula 7 of 23 mode of life for a graptolite planktonic 8 of 23 class of graptolite graptolithinia 9 of 23 phylum of graptolite hemichordata 10 of 23 when did graptolites first appear? ordovician 11 of 23 when did graptolites become extinct? devonian 12 of 23 silurian graptolites name (M) monograptus 13 of 23 silurian graptolites name (D) diplograptus 14 of 23 ordovician graptolites name (Dic) dicellograptus 15 of 23 ordovician graptolites name (Did) didymograptus 16 of 23 Ordovician first graptolite tetragraptus 17 of 23 thecae are growing vertically upwards from the sicula scandent 18 of 23 thecae are added downwards from the sicula pendent 19 of 23 thecae are added on one side of the stipe uniserial 20 of 23 thecae are added on two sides of the stipe biserial 21 of 23 thecae became more .......... through evolutionary time complex 22 of 23 how did they feed? filter feeders 23 of 23
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