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5 Written questions

5 Matching questions

  1. carbon dioxide and other wastes are removed by
  2. zygote
  3. spicules
  4. nervous system in a flatworm consist of
  5. germ layer gives rise to muscles
  1. a mesoderm
  2. b diffusion
  3. c two nerve cords
  4. d a fertilized egg
  5. e small needle like structures made of calcium carbonate, silca or spongin

5 Multiple choice questions

  1. head end of an animal
  2. phlym nematoda
  3. Cells that line the inside of the sponge and help draw water inside; they have flagella
  4. bilateral symmetry, aceolmate, FREE living, use the pharynx to get food, hermaphrodite,
  5. disease is caused by flukes in humans; egss clog the blood vessels

5 True/False questions

  1. asymmetrywhen the organism can be divided along any plane, through a central axis or into roughly equal halves

          

  2. radial symmetrywhen the organism can be divided along any plane, through a central axis or into roughly equal halves

          

  3. how do roundworms produceuse muscles that run the length of there body

          

  4. plantcell walls, multicellular, autotroph, goes through photosynethsis

          

  5. pinwormscommon in children, eggs are transferred by touch, causes itching

          

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