Tube feet and spines aid locomotion and enable the pea urchin to bury itself in the sea floor.
Polychaete worm ( Polygordius sp. ) under the microscope
Polychaete worm (Polygordius sp.)
www.bfn.deMit Hilfe seiner Scheinfüßchen und Stacheln kann er sich fortbewegen und eingraben.
Foto eines Vielborsters (Polygordius sp.) unter dem Mikroskop
Vielborster (Polygordius sp.)
www.bfn.deThey are therefore classed as meiofauna ( interstitial fauna of marine sands ).
Polychaete worm ( Glycera alba ) under the microscope
www.bfn.deMit einer Länge von meist unter 1mm zählen diese damit zur Meiofauna ( „ Sandlückenfauna “ ).
Foto eines Gewöhnlichen Blutwurms (Glycera alba) unter dem Mikroskop
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