'Flatworms' presentation slideshows

Chapter 25

Chapter 25. Worms & Mollusks. 25-1 Flatworms. Flatworms. Phylum Platyhelminthes Acoelomates Thin, solid bodies Bilateral symmetry Found in marine, freshwater, and moist habitats on land Examples: tapeworms, flukes, and planarians. Feeding and Digestion in Planarians.

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Major Animal Phyla

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Worm Review

Worm Review. Animalia. Annelida. Earthworms belong to the KINGDOM _______________ PHYLUM ________________ CLASS ___________________. Oligochaeta. Earthworms breathe with lungs gills nephridia skin. They breathe through their skin. segmented.

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Classification

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Introduction to the Platyhelminthes Life in two dimensions. . .

Introduction to the Platyhelminthes Life in two dimensions. . . The simplest animals that are bilaterally symmetrical and composed of three fundamental cell layers Acoelomate= FLAT! Lack an anus, the same pharyngeal opening both takes in food and expels waste.

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Classification

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Platyhelminthes

Platyhelminthes. Emily, Azaria, Chris Period 5. General Description. Phylum- Platyhelminthes contains flatworms Soft, unsegmented, & flat (no more than a few mm thick) Tissues (tripoblastic) & internal organ systems

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Flatworm Characteristics

Flatworm Characteristics --Flat bodies (gases move by diffusion) --bilateral symmetry --gastrovascular cavity --some flatworms are parasitic, some are freeliving --they have anterior and posterior heads and exhibit cephalization. Types of Flatworms (planarian, tapeworm, fluke)

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CH34: Phylum Platyhelminthes

CH34: Phylum Platyhelminthes. Flatworms. Characteristics of Platyhelminthes. Thin, flat body (acoelomates) Bilateral symmetry 3 tissue layers Endoderm Ectoderm Mesoderm organs and muscles, not present in Cnidarians or Porifera Cephalization. Free-living flatworms are carnivores

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CH27: Sec3 Phylum Platyhelminthes

CH27: Sec3 Phylum Platyhelminthes. Flatworms. Characteristics of Platyhelminthes. Thin, flat body (acoelomates) Bilateral symmetry 3 tissue layers Endoderm Ectoderm Mesoderm organs and muscles, not present in Cnidarians or Porifera Cephalization. Free-living flatworms are carnivores

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Flatworms

By, Jase Franke . Flatworms. What are Flatworms?. Flatworms have flattened bodies with a definite head and tail. Some Flatworms, such as Turbellarians (class : Turbelaria ) are free-living, while others such as, Flukes are parasitic. . Flatworms.

494 views • 7 slides

Flatworms

By, Jase Franke. Flatworms. What are Flatworms?. Flatworms have flattened bodies with a definite head and tail. Some Flatworms, such as Turbellarians (class : Turbelaria ) are free-living, while others such as, Flukes are parasitic. Flatworms.

90 views • 7 slides