annelids by: brandon, josh, mary, reilly
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AnnelidsBY: BRANDON, JOSH, MARY, REILLY
http://upload.wikimedia.org/wikipedia/commons/c/ca/Oligochaete_GLERL_1.jpg
What type of symmetry do Annelids have?
Bilateral symmetrical
"Annelida - Segmented Worms." Annelida. N.p., n.d. Web. 02 Oct. 2014.
http://www.robinsonlibrary.com/science/zoology/annelids/earthworm.htm
How do Annelids move?
Segmented body2 sets of muscles
Longitudinal- expandsCircular- contracts
"Annelida - Segmented Worms." Annelida. N.p., n.d. Web. 02 Oct. 2014.
http://www.robinsonlibrary.com/science/zoology/annelids/earthworm.htm
Nervous System
Primitive brainRing of nerves to ventral chordLateral nerves and gangliaSense organs
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
http://en.wikipedia.org/wiki/Evolution_of_nervous_systems
Digestive System
Two wayUnsegmented gutMouth to endSeparated by coelom
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
https://yhsbiology.wikispaces.com/Annelida+Videos
Excretory System
ProtonephridaTubules end in cell
Flagella and common ductMetanephridiaExcrete ammonia products
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
http://osmoregulationapbio3.wikispaces.com/file/view/44_10Protonephridia_L.jpg/212064230/480x202/44_10Protonephridia_L.jpg
http://bcs.whfreeman.com/thelifewire/content/chp51/images/IQ5105.gif
Circulatory System
Closed, through diffusionHemoglobin (red/green)Through head (contractile vessels)Rest of body (lateral vessels)Contractile act as heart
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
http://earthwormsinfo.com/wp-content/uploads/2011/08/wormbiology.jpg
Respiratory System
Through skin or gill filamentsDiffusion
Oxygen carriedHemoglobin or chlorocruorin
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
http://myclasses.naperville203.org/staff/NNHSBiology/KraftsonEco/Animal%20Kingdom%20%20Period%202%20Picture%20Library/Annelida/annelida.bmp
Support/Skeletal System
CoelomLiquid filled“Inflates” annelid
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
http://www.anselm.edu/homepage/jpitocch/genbi101/18_03bTrueCoelom-L%20copy.jpg
Reproductive System
SexualSome hermaphroditesMost- separate genders
"Annelida." The Columbia Encyclopedia, 6th Ed.. 2014, Jennifer Yeh, "Annelida." A Dictionary of Biology. 2004, Michael Allaby, and AILSA ALLABY;MICHAEL ALLABY. "Annelida." Encyclopedia.com. HighBeam Research, 01 Jan. 2014. Web. 02 Oct. 2014.
Reish, Donald J. "Annelid (invertebrate)." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 01 Oct. 2014.
http://www.robinsonlibrary.com/science/zoology/annelids/graphics/earthworm3.gif
Oligochaeta (few bristles)
Specialized derived worms About 3000 species Less than 10 families Mostly small and inconspicuous Few large and terrestrial (earthworms)
http://upload.wikimedia.org/wikipedia/commons/c/ca/Oligochaete_GLERL_1.jpg
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, 1882. Print.
Oligochaeta (continued)
Inhabit moist environments Homogenous class
http://classconnection.s3.amazonaws.com/613/flashcards/884613/jpg/earthw11320351359586.jpg
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, 1882. Print.
Polychaeta (many bristles)
Almost entirely marine Important for benthic communities Very diverse, heterogeneous About 8000 species 80 families
http://www.bio.miami.edu/dana/pix/polychaete1.jpg
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, 1882. Print.
Polychaeta (continued)
Burrowers, tube dwelling, free living, and mobile At least one pair of sensory appendages Body wall is extended laterally (parapodia)
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSdUve23jBFQrhfqhJ-PvoHHUxegh7fvo3eirDUzT_wYpLdC8sKVw
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, 1882. Print.
Hirudinea (leeches)
Derived from oligochaeta Homologenous taxon About 500 species Relatively large (up to 30 cm) Always with 34 segments
https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSpDjwhc4l6hqPAmHBZTeRCkQ7-_nDIIRWH9JNZP-SkpHBvpAXnZg
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, 1882. Print.
Hirudinea (continued)
Originally freshwater Also marine and terrestrial Parasitic or predators
https://lh5.googleusercontent.com/-NodTi4TCS6U/TXj0HBxsYLI/AAAAAAAAADc/EryEpkwUZDA/s1600/1.jpg
Hansen, Armauer. Annelida = Annelida. Christiana: Grøndahl, 1882. Print.
Other Phylum Facts
AKA segmented worms Spilt in to sections
Living area Marine, Freshwater, and terrestrial
"Phylum Annelida." Iweb. Tntech, 9 Oct. 2010. Web. 1 Oct. 2014. <http%3A%2F%2Fcfcc.edu%2Ffaculty%2Frogers%2Fcourses%2Fmsc174%2FLectures%2FPhylum%2520Annelia>.
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRELdqAiBF_6jFpG4z2Rd8OuP1LerJaLLlIi8HG294tW8Y0LdDGRA
Hermaphrodites
Male sex organs Female sex organs Can’t self fertilize
"Phylum Annelida." Iweb. Tntech, 9 Oct. 2010. Web. 1 Oct. 2014. <http%3A%2F%2Fcfcc.edu%2Ffaculty%2Frogers%2Fcourses%2Fmsc174%2FLectures%2FPhylum%2520Annelia>.
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTjFGTH0acUK5r7YzFs-f9nokY_mzXnYwz3yjF-dZ-iMLTdeZxv2g
Clitellum
Raised band (Bandaid) Near head
14, 15, 16 segment Forms mucus around eggs
Cocoon
"Phylum Annelida." Iweb. Tntech, 9 Oct. 2010. Web. 1 Oct. 2014. <http%3A%2F%2Fcfcc.edu%2Ffaculty%2Frogers%2Fcourses%2Fmsc174%2FLectures%2FPhylum%2520Annelia>
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR-Pg6bmr9FSJMPSFEKffYkYAo9R4qh6aETAb5h05p1BTW7U4MbGw
Gizzard
Intestine
Segmental Ganglion
Segmental blood vessel
Ventral blood vessel
Crop
Mouth
Segmental nerves
Dorsal blood vessel
Clitellum
Female reproductive organs
Male Reproductive organs
Hearts
PharynxCentral Ganglia
Esophagus
https://yhsbiology.wikispaces.com/file/view/earthworm.gif/49088829/500x295/earthworm.gif
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
https://www.google.com/search?q=worms&es_sm=93&source=lnms&tbm=isch&sa=X&ei=kpUtVO3IN4TnoATTuIDgAw&ved=0CAgQ_AUoAQ&safe=active&ssui=on#safe=strict&tbm=isch&q=Bristle+worms
Hirudinea- Leech
Leeches are segmented worms that belong to the phylum annelid
Always have 34 segments Marine and land
https://www.google.com/search?q=worms&es_sm=93&source=lnms&tbm=isch&sa=X&ei=kpUtVO3IN4TnoATTuIDgAw&ved=0CAgQ_AUoAQ&safe=active&ssui=on#safe=strict&tbm=isch&q=Leech
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