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5 Written questions

5 Matching questions

  1. Poikilothermic
  2. Central nervous system
  3. Cuticle
  4. Interneurons
  5. Endothermic
  1. a The part of the nervous system that is comprised of the brain and spinal cord.
  2. b Organisms whose body temperature is maintained by internal metabloic sources.
  3. c Waxy outer layer on a leaf.
  4. d Nerve cells found within the CNS which communicate between affector and effector neurons.
  5. e Organims whose body temperature varies with the external environment. Ectothermic.

5 Multiple choice questions

  1. Branched extensions of nervve cells that transmit impulses to that cell.
  2. The maintentance of a relatively stable internal environment.
  3. Sytstem of ductuless glands that produce hormones which are released directly into the bloodstream.
  4. Plants with characteristics that enable resistance to drought and life in very arid areas.
  5. Exntension of a nerve cell along which impulses are transmitted away from that cell.

5 True/False questions

  1. OsmoregulationThe maintenance of constant internal salt and water concentrations in internal fluids.


  2. AdaptationsLoss of water from the surfaces of a plant.


  3. Cell bodyPart of the neuron that contains the nucleus. Also called the soma.


  4. Antidiuretic hormoneCompound that when added to a fluid loewrs the freezing point of the fluid.


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