1. The diagrams here show the feeding apparatus of a gastropod. 2. This brim is thought to serve as a filter-feeding apparatus . 3. However they maintained that Wiwaxia s feeding apparatus was much more like a molluscan radula. 4. The feeding apparatus was tough enough to be frequently preserved, but unmineralized and fairly flexible. 5. The siphons of the juvenile ascidian become orientated to optimise current flow through the feeding apparatus . 6. One comparative study of the feeding apparatus suggests that " Troodon " could have been an omnivore. 7. They have a highly active metabolism, with feeding apparatus arranged longitudinally and connected with the flagellar apparatus. 8. The element array constituted a feeding apparatus that is radically different from the jaws of modern animals. 9. The head of the bowhead whale comprises a third of its body length, creating an enormous feeding apparatus . 10. These " teeth " have been variously interpreted as filter-feeding apparatuses or as a " grasping and crushing array ".