Lab 12 Platyhelminthes and Nematoda (1)

Lab 12 Platyhelminthes and Nematoda (1) - Quiz#1 Question#2...

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Quiz #1 Question #2
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Lab Exercise 12: Phylum Platyhelminthes & Phylum Nematoda Objectives: Compare the body plans of the worms in phyla Platyhelminthes and Nematoda. Compare the digestive, nervous, excretory and reproductive systems of the worms in these 2 phyla. Define parasitism and survey a few common parasites in these two phyla. Examine adaptations seen in parasitic round worms (Nematoda) and flatworms (Platyhelminthes)
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Kingdom Animalia Phylum Platyhelminthes Eumetazoa Tissue organization Gastrovascular cavity Bilateral Symmetry Triploblastic Organs/Systems Nematoda
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Characteristics Shared By Platyhelminthes and Nematoda Bilateral Symmetry Triploblasty : 3 well-defined embryonic tissue layers Respiratory Exchange : Oxygen diffuses through a moist body surface (need a large body surface to volume ratio to maximize diffusion)
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Differences between Platyhelminthes and Nematoda Body Plan Digestive Systems Excretory Systems Nervous Systems Reproductive Systems Movement
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Phylum Platyhelminthes Eumetazoa Tissue organization Gastrovascular cavity Bilateral Symmetry
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This note was uploaded on 02/12/2011 for the course BIOL 112 taught by Professor Burdie during the Spring '11 term at Loyola Chicago.

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Lab 12 Platyhelminthes and Nematoda (1) - Quiz#1 Question#2...

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