PPT-Roundworms

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. 1. Sponges. Sponges. Sponges pump water through the hole at the top and filter tiny (microscopic) particles of food that are floating in the water. You can blend them up and they will re-assemble as they were before!. By: Alexey Pomogaev, Daniel Cho, Connor Healey. Flatworms and Roundworms. Flatworms. Phylum- . Platyhelminthes. Class-. . Turbellaria, Cestoda, Trematoda, Monogenea. Families- . 102 variations. Roundworms. Worms:. Flatworms and Roundworms. Biology 11. Worms. Divided into 2 Groups. Unsegmented. Flatworms. Roundworms. Segmented. Annelids . Phylum Platyhelminthes. Platy= flat. Helminth. =worm. The Flatworms. Nematodes 09 he species and the number of nematodes in the eld rop history, especially whether susceptible crops have been grown in the eld in the past nvironmental factors, particularly those inue After completely studying this chapter, you should:Know the three groups of control tactics specific totode, corn needle nematode, the root-lesion nema-tode, and the northern root-knot nematode. CHTER Antiparasitics. …. Make up the largest category of products available to veterinary professionals and the general public. . Can be OTC or Rx. Help to protect animals from diseases, as well as people. Invertebrates. Sponges . Sponge is the simplest kind of an invertebrate.. Shaped like a sack with an opening at the top. It’s body is made of 2 cell layers. Body is hollow inside. Live in water. Adults stay in one place, their kids float around. Equine Science. Internal Parasites. Why should we be concerned?. Affects:. Reproduction. Growth. Performance. Overall well being. How many internal parasites are known to affect horses?. >150. Internal Parasites. 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 . Aschelminthes : Roundworms Not the Phylum name 7 Phyla in this grouping Characteristics Most are freshwater Cylindrical Unsegmented Bilaterally symmetrical Triploblastic ( pseudocoelomates ) Dioecious 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 . Internal Parasites of Livestock. Internal Parasites: . live within the internal organs of livestock. They are not visible. Effects on the host may be visible. Divided into three groups. Roundworms. Tapeworms.