please answer these two questions
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1) variations is not necessary for individuals but beneficial for species because
i) it helps in the organic evolution
ii)form the basis of heredity
iii)provides the adaptability for adverse conditions
2) a)evolution had taken place
b)homologous organs
i) it helps in the organic evolution
ii)form the basis of heredity
iii)provides the adaptability for adverse conditions
2) a)evolution had taken place
b)homologous organs
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