Question

Explain the consept lamaeckism with the help of diffrent examples​

Answer 1

Answer:

jene beptite lamark post a theory that ......living organisms change their shapes as the heridity changes

Explanation:

giraf likes fresh leaves......as the fresh leaves started growing on top of tree l.....his neck started to extend and become long and long ......however his theory was proved wrong ......... in short(aquired specific characters changes)as needed

Answer 2

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❤.LAMARCKISM.

• It was explained by Jean Baptiste de Lamarck [1774-1829] .
• A french Biologist in his book philosophie zoologique.
• It deals with the influence of environment on organisms,use or disuse or organs and inheritence of acquired characters.
• According to him ,whenever the environment of certain organisms undergoes some changes, it forces the organisms to use certain organs more and put certain other organs to disuse .
• The organs that are used more will degenerate .
• Such characters that are developed during the life time of an organism are called acquried characters.
• They are passed on to the next generation [Inheritence of acquired characters].

❤.EXAMPLE .

• Elongation of neck and forelimbs in giraffe{use} ,absence of limbs in snakes{disuse}.