Senescent phase of an organism's life span can be recognized by ---------

Options :
  1. slow metabolism
  2. decreased immunity
  3. cessation of reproduction
  4. all of the above
Answer and Explanation :-

Answer: Option 4

Explanation:

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Let truth be told - women do as a rule live through such humiliations, and regain their spirits, and again look about them with an interested eye. While there's life there's hope is a connviction not so entirely unknown to the "betrayed" as some amiable theorists would have us believe.
-Thomas Hardy Tess of the d'Urbervilles