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5 Written questions

5 Matching questions

  1. chordate
  2. exoskeleton
  3. notochord
  4. insight learning
  5. pheromones
  1. a a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
  2. b the process of learning how to solve a problem or do something new by applying what is already known
  3. c the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs
  4. d odorless chemicals that serve as social signals to members of one's species
  5. e any animal of the phylum Chordata having a notochord or spinal column

5 Multiple choice questions

  1. jointed-foot invertebrates: arachnids
  2. an animal without a backbone
  3. A shelled, water-retaining egg that enables reptiles, birds, and egg-laying mammals to complete their life cycles on dry land
  4. the act of retiring into inactivity
  5. the marked and rapid transformation of a larva into an adult that occurs in some animals

5 True/False questions

  1. endoskeletonthe internal skeleton


  2. annelidworms with cylindrical bodies segmented both internally and externally


  3. ectotherman animal whose body temperature varies with the temperature of its surroundings


  4. habituationthe act of retiring into inactivity


  5. amphibiawarm-blooded vertebrates characterized by mammary glands in the female


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