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5 Written questions

5 Matching questions

  1. Homeostasis
  2. Countercurrent exchange
  3. Antifreeze
  4. Adaptations
  5. Tolerance range
  1. a The maintentance of a relatively stable internal environment.
  2. b Extent of variation in an environmental factor within which a species can survive.
  3. c Arrangement of vascular tissues that enable heat to be transferred from a vessel carrying fluid from the core to an extremity, to a vessel carrying fluid from an extremity to the core.
  4. d Compound that when added to a fluid loewrs the freezing point of the fluid.
  5. e Features that assist an organism to survive in a particular habitat.

5 Multiple choice questions

  1. Sytstem of ductuless glands that produce hormones which are released directly into the bloodstream.
  2. Exntension of a nerve cell along which impulses are transmitted away from that cell.
  3. Neurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.
  4. Region of the brain responsible for essential fuctions associated with the autonomic nervous system.
  5. Organims whose body temperature varies with the external environment. Ectothermic.

5 True/False questions

  1. Affector neuronsNeurons which transmit information from the central nervous system to muscle cells or glands. Also called motor neurons.

          

  2. EndothermicOrganism whose body temperature fluctuates with its surroundings.

          

  3. NeuronsNerve cells.

          

  4. PituitaryEndocrine attached to the hypothalamus. Influences the production of thyroxine by the thyroid gland.

          

  5. OsmosisIn animals, chemicals produced in endocrine glands that are released into and transported via that bloodstream to other parts of the body where they act.