Earthworm dissection. Lumbricus terrestris Phylum -Annelida Class - Oligochaeta Family -Lumbricidae Genus - Lumbricus Species - terrestris. http://www.ncsu.edu/scivis/lessons/earthworm/Overview.html. http://www.usd267.com/TL%20Student%20Pages/8th%20Science%20Teacher%20Resources.html.
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Phylum -AnnelidaClass - Oligochaeta Family -LumbricidaeGenus -LumbricusSpecies - terrestris
Internally, septa, or dividing walls, are located between the segments. There may be more than 100 segments in an adult worm.
The nervous system consists of the ventral nerve cord, which travels the length of the worm on the ventral side, and a series of ganglia, which are masses of tissue containing many nerve cells.
10. Be able to label the parts of the internal and external structures. Label a diagram