'Oligochaeta' diaporamas de présentation

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Phylum Annelida

Phylum Annelida. Phylum Annelida. Characteristics Protostomia, eucoelomates Metamerism (= unspecialized segmentation) In the Classes: Parapodia Clitellium. Systems. Integument - epidermis is one cell layer with mucous gland that secrete a moist cuticle.

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Phylum Annelida (Segmented Worms)

Phylum Annelida (Segmented Worms). 15,000 Annelid species Bilaterally symmetrical coelomates Coelomes divided into partitions by septa Inhabit marine, fresh water, & moist environments Has complex digestive system Has closed circulatory system Epidermis is primary gas exchange organ

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Phylum Annelida (Segmented Worms)

Phylum Annelida (Segmented Worms). 15,000 Annelid species Bilaterally symmetrical coelomates Coelomes divided into partitions by septa Inhabit marine, fresh water, & moist environments Has complex digestive system Has closed circulatory system Epidermis is primary gas exchange organ

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Systematics

Lumbricus earth worm By Anthony Vargas. Systematics Annelida P , Clitellata, Oligochaeta C , Haplotaxida O , Lumbricina sO , Lumbricoidea SF , Lumbricidae F (Fig 13-7A) Annelida P

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