PPT-Flatworms & roundworms

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. 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. 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. 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 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. Link to video. Flatworms - General Information. 3. . phyla in Ch. 14 – We are going to focus . mainly on . Phylum Platyhelminthes . Symmetry. : Bilateral. Cephalization. - head end concentrated with sense organs and nervous control. PLATYHELMINTHES. (flatworms, tapeworms). Porifera. Cnidaria. Ctenophora. Platyhelminthes. Rotifera. Nematoda. Nemertea. Mollusca. Annellida. Arthropoda. Bryozoa. Phoronida. Brachiopoda. Echinodermata. 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. Hymenolepis. nana. – The Dwarf Tapeworm. Frequency - most common tapeworm infection in humans.. Requires no intermediate host - can use insects such as fleas or beetles, but these are not required.. Characteristics. . Unsegmented. worms. Simplest animals with. . Bilateral symmetry. No . specialized . circulatory. or . respiratory. system. (uses diffusion to transport oxygen and . nutrients). ). (8,761 known species). General Description: . Simplest animals, multicellular. No organs or body systems. Skeleton composed of spongin (soft) and spicules (hard). Symmetry: . Asymmetrical. Feeding: . Characteristics of Phylum Platyhelminthes (means “flat worm”). Flatworms have . three germ layers (. triploblastic. ); they are the first animal we have discussed in this class with . true organs and tissues. 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.