Haryana PMT Haryana PMT Solved Paper-2006

  • question_answer
    Large size of pinae in animals of warm region in comparision to animal of cold region is due to law of:

    A)  Dollos law                          

    B)  Glogers law

    C)  Copes law                         

    D)  Allens rule

    Correct Answer: D

    Solution :

                    According to Aliens rule the animals of colder areas have shorter extremities (i. e., tail, ears, head) as compared to animals of warmer areas. According to Glogers law the birds and mammals of warm humid regions tend to be darker in colour than inhabiting the cold or dry region of their geographical range Dollos law States that living organisms do xhibit   evolutionary   irreversibility   (the reappearance of ancestral of characteristics)


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