A.All the characters acquired by the organisms in their life time are inherited
B.The cell come from pre-existing cells
C.In the struggle for existence, the fittest individuals survive
D.Use and disuse of organs is important in evolution
A.All the characters acquired by the organisms in their life time are inherited
B.The cell come from pre-existing cells
C.In the struggle for existence, the fittest individuals survive
D.Use and disuse of organs is important in evolution