Home » Biology » The theory that new organs or characteristics develop in organisms when there is a need…The theory that new organs or characteristics develop in organisms when there is a need… The theory that new organs or characteristics develop in organisms when there is a need for them was postulated by A. Charles Darwin B. Jean Lamarck C. Gregor Mendel D. Wallace E. Louis Pasteur Correct Answer: Option B Explanation Related Posts The function of the part labelled V in the diagram is the An example of plant adaptation to a xerophytic environment is represented by the development of A group of organisms of the same kind inhabiting the same environment is called The sequence of the biomes in Nigeria from port Harcourt to Damaturu is Whorls, arches, loops and compounds are types of variation in The part of the fruit which serves a protective function is called