PPT-Flatworms/ Roundworms

By Alexey Pomogaev Daniel Cho Connor Healey Flatworms and Roundworms Flatworms Phylum Platyhelminthes Class Turbellaria Cestoda Trematoda Monogenea Families 102 variations Roundworms. Platyhelminthes. : . the Flatworms. Platyhelminthes Vocabulary. Use the blue modern bio textbook to do these on your grid. Color should be on front. It doesn’t matter how you write the back. Remember to complete your squares and # them correctly on the back. Phylum: PLATYHELMINTHES. . VS.. Class . Turbellaria. includes: Planarians . Class . Cestoda. Includes: Tapeworms. Class . Trematoda. Includes: Flukes. II. Body Plan/Structure. Flatworms demonstrate a . Worms:. Flatworms and Roundworms. Biology 11. Worms. Divided into 2 Groups. Unsegmented. Flatworms. Roundworms. Segmented. Annelids . Phylum Platyhelminthes. Platy= flat. Helminth. =worm. The Flatworms. By: Megan Schwartz. What roundworms look like. thin, round body. smooth skin. have bilateral symmetry. many colors. Habitat of a roundworm. in humans, plants and animals. saltwater and freshwater. in muddy places. Belong to the KINDGOM ANIMALIA. PHYLUM PLATYHELMINTHES. Characteristics. Three germ layers (endoderm, ectoderm, mesoderm). Bilateral symmetry. Cephalization (has a head). 4. . Acoelomates . = without . phyla: . Platyhelminthes – flatworms (. Gk. ) . plati. . – flat. . . helminth. - worm. Nematoda. – roundworms, . nema. . (. Gk. ) ". thread". Annelida – segmented worms, . . . PLATYHELMINTHES. (flatworms, tapeworms). Porifera. Cnidaria. Ctenophora. Platyhelminthes. Rotifera. Nematoda. Nemertea. Mollusca. Annellida. Arthropoda. Bryozoa. Phoronida. Brachiopoda. Echinodermata. By: Nayarit Ayala and Marleni Cruz. Flatworms. Platyhelminthes. Structure. Flatworms are flat, soft bodied, ribbon shaped . unsegmented. , contain no body cavity, but they do have digestive cavity. They are bilateral symmetrical, while having only one opening. Flat worms have layers of tissues that surround their central gut. They are part of the acoelomates, and are considered hermaphroditic. Their type of cell layers are: an ectoderm, which is the outer covering, an endoderm, which is the lining of digestive spaces, and a mesoderm which is in between the other two. Phylum Platyhelminthes. Flatworms. Flat and thin bodies. Bilateral symmetry . Most are parasitic . Phylum Platyhelminthes. Flatworms include planarians, flukes, and tapeworms. 20,000 species of flatworms. 3. Phylum Nematoda. Commonly called . roundworms. Cylindrical body shape. Multicellular. Cuticle – a body wall composed of an external, acellular, protective layer. Hypodermis – cellular layer beneath the cuticle . Animals Without Backbones Chapter 2: The Animal Kingdom Scientists keep track of Earth’s animal species by observing their similarities and differences . An animal with symmetry has body parts that match other body parts around a midpoint or Characteristics. . Unsegmented. worms. Simplest animals with. . Bilateral symmetry. No . specialized . circulatory. or . respiratory. system. (uses diffusion to transport oxygen and . nutrients). Phylum Nematoda. Phylum Annelida. Choanoflagellates. The Worm Characteristics. Bilateral. symmetry – the simplest organisms to exhibit this type of symmetry. Invertebrates – use . hydrostatic. pressure to provide structural support (made of . About Roundworms & Hookworms Protecting your pets protects your family What are roundworms & hookworms? You may already have heard that worms often infect puppies and kittens as well as older pets.