Slippery And Slimy Dissection
Earthworm Dissection Lab
Michael Flora
Pap Bio
Period 2
Mitcham
Objectives
1. Name the organs of an Earthworm.
2. Describe the appearance of various organs in the Earthworm.
Background Information
Dissection Pictures
External Anatomy
Internal Anatomy
Circulatory System
Functions Of Circulatory Organs
Intestine: Breaks down food and blood circulating absorbs it.
Anus: The opening of the intestine.
Aortic Arches: Tubes that keep blood flowing.
Ventral Vessel: blood moves through to tubes called aortic arches.
Dorsal Vessel: Blood moves through to tubes called aortic arches.
Interesting facts!!!
1. There are around 6,000 species of earthworms.
2. Earthworms breathe through their skin.
3. There is a disease called Guinea Worm disease or also called Dracunculiasis; There is a link below to more information on this disease.
4. The largest worm in the world can grow up to 3 meters in length that lives in Australia.
5. Charles darwin thought of worms as "The intenstines of the Earth."
Cladogram
Annelida was the 4th to last phylum on this cladogram.
Classification
Domain: Eukarya
kingdom: animalia
phylum: annelids
Class: Clitella
order: opisthopora
family: lumbriadae
genus:lumbricus
species:terrestrus
Human Influence
Citations
http://ecowatch.com/2014/03/08/10-facts-about-earthworms/
http://en.wikipedia.org/wiki/Earthworm
http://www.sas.upenn.edu/~rlenet/Earthworms.html
http://www.angelfire.com/de2/atoy/cir.htm
http://www.biologyjunction.com/earthworm_dissection.htm
http://www.infrastructurene.ws/2012/03/30/the-use-of-earthworms-in-waste-management/
http://www.infovisual.info/02/006_en.html
http://www.cpalms.org/Public/PreviewResource/Preview/45851
https://student.societyforscience.org/article/tiny-earthworms%E2%80%99-big-impact
http://smithsworldofscience.weebly.com/phylum-nematodaannelida.html