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unit 4 biodiversity

QuestionAnswer
Phylum annelida characteristics Vermiform- worm shape Metamerism- segmented Setae= chaetae Parapodia Closed circulation Crawl and swim Trochophore larva
Phylum annelida classes Class Polychaeta Class Oligochaeta Class Hirudinea
Class Polychaeta characteristics "Many setae" Parapodia Sandworm, tubeworm, palalo worm, fireworm
Class Oligochaeta characteristics "Few setae" Poorly developed head Clitellum Respiration = diffusion Moist skin
Class Hirudinea characteristics Leeches Coelem filled with mesenchyme Setae absent Open circulation Clitellum present
Phylum arthropoda characteristics Largest animal group Heteronomous metamerism- combined segments/tagma Tagma- head, thorax & abdomen Exoskeleton- cuticle, epidermis, musculature, articulations Excretory- Malpighian tubes, green gland Gills and book lungs Open circulation and heart
Phylum arthropoda classes Class
Created by: abowles2025
 

 



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