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5 Written questions

5 Matching questions

  1. respiration and circulation
  2. mantle
  3. platypus
  4. food acquistion of mollusks
  5. radula
  1. a -a thin membrane surrounding the internal organs that secretes the shell
  2. b tongue-like organ with rows of teeth that is used to drill, scrape, grate or cut food
    (ex) snails, octopuses
  3. c -may be predators, grazers, or filter feeders
    -radula
    -bivalves, such as clams, do not have radulas; they are filter feeders
  4. d -has a rubbery snout, webbed front feet, sharp claws for digging & burrowing in soil
  5. e -mammals need a lot of energy for heating, cooling, & locomotion
    -thus, large amounts of O2 are needed
    -Diaphragm
    -Four-chambered heart

5 Multiple choice questions

  1. a mutualistic symbiotic relationship with photosynthetic, single-celled protists
    -produce oxygen/ food
  2. keeps oxygenated blood seperate from deoxygenated blood--> provides good supply of O2
  3. -nerves and cerebral ganglia or a brain
    -most mollusks have paired eyes
  4. -mammals in which young have short period of development within uterus, followed by a second period of development within a pouch on outside of mother's body
    -mostly in Australia
  5. -the corals and anemones
    -exhibit only the polyp body form
    -sea anemones live individually and may live for 100s of years
    -some tropical anemones may have a diameter greater than 1m

5 True/False questions

  1. reproduction of mollusks-may be predators, grazers, or filter feeders
    -radula
    -bivalves, such as clams, do not have radulas; they are filter feeders

          

  2. coeluma fluid-filled body cavity

          

  3. uterushollow muscular-organ in which offspring develop
    -survival advantage

          

  4. Hydrozoa-the jellyfishes
    -medusa stage is dominant
    -have muscle-like cells in outer cell layer that contract, propelling animal in water
    -occur everywhere, from tropical waters to the Arctic

          

  5. excretory systemnephridia- organs that remove metabolic wastes