1. By: Brandon, Josh, Mary, Reilly
Annelids
By: Brandon, Josh, Mary, Reilly

2. What type of symmetry do Annelids have?
Bilateral symmetrical
"Annelida - Segmented Worms." Annelida. N.p., n.d. Web. 02 Oct

3. How do Annelids move? Segmented body 2 sets of muscles
Longitudinal- expands
Circular- contracts
"Annelida - Segmented Worms." Annelida. N.p., n.d. Web. 02 Oct

4. Nervous System Primitive brain Ring of nerves to ventral chord
Primitive brain
Ring of nerves to ventral chord
Lateral nerves and ganglia
Sense organs
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

5. Digestive System Two way Unsegmented gut Mouth to end
Two way
Unsegmented gut
Mouth to end
Separated by coelom
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

6. Excretory System Protonephrida Flagella and common duct Metanephridia
Protonephrida
Tubules end in cell
Flagella and common duct
Metanephridia
Excrete ammonia products
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

7. Circulatory System Closed, through diffusion Hemoglobin (red/green)
Through head (contractile vessels)
Rest of body (lateral vessels)
Contractile act as heart
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

8. Respiratory System Through skin or gill filaments Oxygen carried
Diffusion
Oxygen carried
Hemoglobin or chlorocruorin
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

9. Support/Skeletal System
Coelom
Liquid filled
“Inflates” annelid
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

10. Reproductive System Sexual Some hermaphrodites Most- separate genders
"Annelida." The Columbia Encyclopedia, 6th Ed , Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan Web. 02 Oct
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct

11. Oligochaeta (few bristles)
Specialized derived worms
About 3000 species
Less than 10 families
Mostly small and inconspicuous
Few large and terrestrial (earthworms)
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, Print.

12. Oligochaeta (continued)
Inhabit moist environments
Homogenous class
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, Print.

13. Polychaeta (many bristles)
Almost entirely marine
Important for benthic communities
Very diverse, heterogeneous
About 8000 species
80 families
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, Print.

14. Polychaeta (continued)
Burrowers, tube dwelling, free living, and mobile
At least one pair of sensory appendages
Body wall is extended laterally (parapodia)
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, Print.

15. Hirudinea (leeches) Derived from oligochaeta Homologenous taxon
About 500 species
Relatively large (up to 30 cm)
Always with 34 segments
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, Print.

16. Hirudinea (continued)
Originally freshwater
Also marine and terrestrial
Parasitic or predators
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, Print.

17. Other Phylum Facts AKA segmented worms Spilt in to sections
Living area
Marine, Freshwater, and terrestrial
"Phylum Annelida." Iweb. Tntech, 9 Oct Web. 1 Oct <http%3A%2F%2Fcfcc.edu%2Ffaculty%2Frogers%2Fcourses%2Fmsc174%2FLectures%2FPhylum%2520Annelia>.

18. Hermaphrodites Male sex organs Female sex organs Can’t self fertilize
"Phylum Annelida." Iweb. Tntech, 9 Oct Web. 1 Oct <http%3A%2F%2Fcfcc.edu%2Ffaculty%2Frogers%2Fcourses%2Fmsc174%2FLectures%2FPhylum%2520Annelia>.

19. Clitellum Raised band (Bandaid) Near head 14, 15, 16 segment
Forms mucus around eggs
Cocoon
"Phylum Annelida." Iweb. Tntech, 9 Oct Web. 1 Oct <http%3A%2F%2Fcfcc.edu%2Ffaculty%2Frogers%2Fcourses%2Fmsc174%2FLectures%2FPhylum%2520Annelia>

20. Male Reproductive organs Intestine
Gizzard
Esophagus
Crop
Male Reproductive organs
Intestine
Hearts
Female reproductive organs
Central Ganglia
Pharynx
Mouth
Clitellum
Ventral blood vessel
Segmental blood vessel
Dorsal blood vessel
Segmental Ganglion
Segmental nerves

21. Polychaeta- Bristle worms
Polyphyletic class of annelid worms
Each body segment has a pair of fleshy protrusions called parapodia that have many bristles called chaetae
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22. Hirudinea- Leech
Leeches are segmented worms that belong to the phylum annelid
Always have 34 segments
Marine and land
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