b) Discuss Lamark's principle of 'use and disuse of organs' giving two rem
examples.
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Explanation:Explain in brief Lamarck's principle of use or disuse of organs
work of Lamarck
He enunciated the law of use and disuse, which states that when certain organs become specially developed as a result of some environmental need, then that state of development is hereditary and can be passed on to progeny.
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