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5 Written questions

5 Matching questions

  1. Kidneys
  2. Countercurrent exchange
  3. Osmoregulation
  4. Adaptations
  5. Osmosis
  1. a Features that assist an organism to survive in a particular habitat.
  2. b 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.
  3. c The maintenance of constant internal salt and water concentrations in internal fluids.
  4. d The net movement of water across a partially permeable membrane without an input of energy and down a concentration gradient.
  5. e Excretory organs involved in osmoregulation.

5 Multiple choice questions

  1. Region of the brain responsible for essential fuctions associated with the autonomic nervous system.
  2. Feedback that tends to stabilize a process or conditions by reducing its rate or output when its effects are too great.
  3. Nerve cells.
  4. Endocrine attached to the hypothalamus. Influences the production of thyroxine by the thyroid gland.
  5. Part of the neuron that contains the nucleus. Also called the soma.

5 True/False questions

  1. Peripheral nervous systemSub-branch of the nervous system involving all nerves that lie outside the brain and spinal cord.

          

  2. EndothermicOrganism whose body temperature fluctuates with its surroundings.

          

  3. Tolerance rangeExtent of variation in an environmental factor within which a species can survive.

          

  4. 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.

          

  5. Endocrine systemSytstem of ductuless glands that produce hormones which are released directly into the bloodstream.