Holothuroidea

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HOLOTHUROIDEA LUKE EDGAR, COLTON BURKE & JUSTIN ROBAR

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Holothuroidea. LUKE Edgar, Colton Burke & Justin Robar. Taxon. Kingdom: Animalia Phylum: Echinodermata Class: Holothuroidea Order: Apodida , Elasipodida , Aspidochirotida , Molpadiida , Dendrochirotida , Dactylochirotida. Sea Cucumber. Characteristics. - PowerPoint PPT Presentation

Transcript of Holothuroidea

Page 1: Holothuroidea

HOLOTHUROIDEA

LUKE EDGAR, COLTON BURKE & JUSTIN ROBAR

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TAXON• Kingdom: Animalia• Phylum: Echinodermata• Class: Holothuroidea• Order: Apodida, Elasipodida, Aspidochirotida, Molpadiida,

Dendrochirotida, Dactylochirotida

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SEA CUCUMBER

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CHARACTERISTICS

• Soft bodied echinoderm, invertebrate • Decomposer• 20cm on average, ranging 1cm to 3.6m• 1716 different species• Tube feet

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EVOLUTION

• 400 million years ago (Lower Devonian Period)• Evolved from Ophiocistioids (Paleozoic Era)• Poor fossil records, ossicles

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DISTINCTIVE CHARACTERISTICS

• Respiratory trees• Evisceration to deter predators or seasonally • Calcite rings around pharynx• Oracle tentacles • Ossicles are primary bone structure

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VIDEO

• http://www.youtube.com/watch?v=aCxKFc3XtJs

http://www.youtube.com/watch?v=aCxKFc3XtJs
http://www.youtube.com/watch?v=aCxKFc3XtJs
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LIFE CYCLE

• Reproduce sexually through broadcast spawning• Asexual reproduction, regeneration, protandric• Zygote Larvae Adult (Metamorphosis)• Sexual Dimorphism • 5-10 year lifespan

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FUN FACTS

• Pharmaceutical toxins• Gourmet food item in orient• Fish & octopii bait • Tubules used as bandages• Commensalism, pearl fish

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WORKS CITED• Mah, Christopher. The Echinoblog. n.p., 7 Aug. 2012. Web. 20 Mar. 2014.• Hui, KaWai. Sea Cucumber- Holothuria pardalis. The University of Wisconsin La Crosse, Apr.

2008. Web. 20 Mar. 2014.• Kerr, Alexander. Holothuroidea. Version 1. Tree of Life, Dec. 2000. Web. 20 Mar. 2014.• Bordbar, Sara et al. High-Value Components and Bioactives from Sea Cucumbers for Functional

Foods—A Review. The National Center for Biotechnology Information, 10 Oct. 2011.Web. 20 Mar. 2014.

• Paulay, Gustav. WoRMS taxon details: Holothuroidea. World Register of Marine Species, 8 Dec. 2013. Web. 29 Mar. 2014.

• Mulcrone, Renee. Animal Diversity Web: Holothuroidea. University of Michigan Museum of Zoology, 2005. Web. 29 Mar. 2014.

• Waggoner, Ben, and Brian Speer. The Holothuroidea. University of California Museum of Paleontology, 1994. Web. 29 Mar. 2014.

• “Sea cucumber.” Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc. 26 Mar. 2014. Web. 30 Mar. 2014.

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QUESTIONS?


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