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Bio 106 Polychaeta function/structure
Bio 106 Polychaeta structures
13
Zoology
Undergraduate 2
10/30/2017

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Term
Phylum
Class
Genus
Definition
Annelida
Polychaeta
Nereis
Term
Parapodium
Definition
Leg-like extensions
For walking and digging paddles
Increases surface area for diffusion of oxygen and CO2
Term
Setae
Definition
Feathery extensions off parapodium
Assists in locomotion, helps to grip
Term
Tentacles
Definition
Filters food particles from water
Suspension Feeding
Part of sensory system
Term
Palp
Definition
Part of sensory system
To feel prey
Term
Eye
Definition
Part of sensory system
To locate prey
Term
Prostomium
Definition
Segmentation containing eyes, tentacles, and palps
Term
Peristomium
Definition
Segmentation behind eyes
Term
Jaws
Definition
Grabs prey
Term
Dorsal blood vessel
Definition
Pumps blood throughout body
Term
Lumen of intestine
Definition
Circular
Absorbs nutrients
Term
Body type
Layers
Definition
Eucoelomate
Triploblastic
Term
Reproduction
Definition
Sexual: Monoecious (cross fertilization only)
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