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Organisms and Populations — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations3 Marks
Question
The following graph represents the organismic response to certain environmental condition (e.g. temperature):

  1. Which one of these, 'a' or 'b', depicts conformers?
  2. What does the other line graph depict?
  3. How do these organisms differ from each other with reference to homeostasis?
  4. Mention the category to which humans belong.
✓

Answer

  1. 'a' depicts conformers.
  2. The other line 'b' depicts regulaters.
  3.  
  Conformers   Regulators
1 These are the organisms, which cannot maintain a constant internal environment and change according to the ambient atmospheric conditions 1 These are the organisms which maintain a constant internal environment despite changes in the environment.
2 They show a narrow range of distribution. 2 They show a much wider range of distribution.
  1. Humans are regulaters.

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