Nicole Fandel, Haley Fink, Zach White, Chris Johnson Annelids Nicole Fandel, Haley Fink, Zach White, Chris Johnson
Annelid Symmetry Bilaterally symmetrical One plane of symmetry exists
Movement Body extension/contraction Parapodia Setae Muscles Longitudinal Circular
Nervous System Ventral nerve cord Clusters of nerves in segments
Digestive System One-way Runs length of body Crop Gizzard Stores food Grinds food
Excretory System Diffusion Nephridia Connects to duct
Circulatory System Moves blood, nutrients & O2 Two main blood vessels Closed system Five hearts
Respiratory System Breathes through skin
Support/Skeletal System Absent Supportive muscles
Reproductive System Hermaphroditic Sexually reproduce 1. 3. 4. 2. 5.
Oligochaeta Few bristles Few species, largest amount individual worms Soil or fresh water Decomposers Hermaphroditic Aerates soil Earthworm
Polychaeta Many bristles & parapodia Many species Marine Sexual reproduction Shore, surface of water, depths of ocean Ex: bobbit worm, tube worm, bristle worm Bobbit Worm Sandworm
Hirudinea Flattened, predacious, parasitic Blood = Food source Freshwater, ocean, moist soil Avoid light Hermaphroditic Sexually reproduce Ex: Leeches Leeches
Other Annelid Facts Bodies divided into segments Segments contain parts of body systems Live in damp soil/marine habitats Hermaphrodites Male & female reproductive organs Clitellum Cocoon for eggs Anterior Clitellum
5. 6. 7. 4. 11. 8. 3. 2. 14. 1. 9. 13. 10. 12.
Works Cited Roundy, Lisa. "Annelids: Types & Structure | Study.com." Study.com. N.p., 2016. Web. 29 Sept. 2016. <http://study.com/academy/lesson/annelids-types-structure.html>. "Annelida." Infoplease. Infoplease, 2012. Web. 29 Sept. 2016. <http://www.infoplease.com/encyclopedia/science/annelida-class- hirudinea.html>. "Class Hirudinea." Class Hirudinea. N.p., 2013. Web. 29 Sept. 2016. <http://lakes.chebucto.org/ZOOBENTH/BENTHOS/xxvi.html>. Reish, Donald J. "Annelid." Encyclopedia Britannica Online. Encyclopedia Britannica, 2016. Web. 29 Sept. 2016. <https://www.britannica.com/animal/annelid>. "Annelida - Segmented Worms." New Hampshire Public Television. N.p., 2016. Web. 29 Sept. 2016. <http://www.nhptv.org/wild//annelida.asp>. "Earthworm." Encyclopedia Britannica. N.p., 2016. Web. 29 Sept. 2016. <https://www.britannica.com/animal/earthworm#ref131542>. "Annelida." Infoplease. Infoplease, 2012. Web. 29 Sept. 2016. <http://www.infoplease.com/encyclopedia/science/annelida-annelid- characteristics.html>.
Photography Cited © 2016 homeschooldebate.com © 2016 http://incolors.club/collectionadwn-ascaris-anatomy-diagram.htm © 2016 https://www.sciencedaily.com/releases/2015/04/150407085035.htm © 2016 http://www.dailytelegraph.com.au/newslocal/northern-beaches/how-to-extract-a-leech-bloodsuckers- are-out-in-force-as-warm-wet-weather-creates-paradise-for-parasites/news- story/cf9729041a32d2d3e2e1352590321e02 © 2016 http://charityowl.com/meet-your-new-nightmare-the-bobbit-worm/ © 2016 https://www.ncsu.edu/project/bio402_315/Annelids/annelid.html © 2016 https://www.pinterest.com/pin/82753711877555560/ © 2016 Zach White