'Class clitellata' presentation slideshows

Distinguishing characteristics of phylum Annelida Segmented worms Setae

Distinguishing characteristics of phylum Annelida Segmented worms Setae Large compartmentalized coelom = hydrostatic skeleton. Annelids. Closed circulatory system Dorsal vessel carries blood away from heart Ventral vessel = back to heart Blood pigments: many have hemoglobin

414 views • 20 slides

ZOO 115 Invertebrate Zoology

ZOO 115 Invertebrate Zoology. Phylum Annelida Class Clitellata Subclass Oligochaeta. http://www.ahc.gov.au/publications/pnh/images/ea10597.jpg. Subclass Oligochaeta - General Characteristics. > 3500 species Most terrestrial or freshwater but about 200 marine species Includes earthworms

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Phylum Annelida

372 views • 11 slides

Chapter 13

Chapter 13. Annelida: The Merametric Body Form. Phylum Annelida. Segmented worms believed to have evolved in the sea where two-thirds still live Other one third are terrestrial Fossils found up to 530 million years old Range from 1 mm to 3 M long. Characteristics of Annelids.

211 views • 10 slides

Annelida

Annelida. General Characteristics Range from one 1mm to 3 meters. Fluid outer body External cuticle that is never shed or mold Has a nervous system/brain 100 body segments. Adaptations.

204 views • 9 slides

Phylum Annelida

Phylum Annelida. The polychaetes , worms, and leeches. Annelids are all segmented Series of repeated ring-like units (segments) All have a head with a well-developed cerebral ganglion (primitive brain) Many have eyes with lens and retinas

282 views • 8 slides

Phylum Annelida

Phylum Annelida. The polychaetes , worms, and leeches. Annelids are all segmented Series of repeated ring-like units (segments) All have a head with a well-developed cerebral ganglion (primitive brain) Many have eyes with lens and retinas

368 views • 7 slides