The idea that organic forms changed through "effort," that the effort the organism makes in using those parts of its body that are most adaptive under given environmental circumstances and little by little as time goes on, that these changes result in new organs that are passed on through heredity, was developed by:

It's evolution, that would be Charles Darwin. The idea that certain traits go away though natural selection(animals with those traits die) and only certain traits are passed on.

Explanation:

Look at the finches experiment.

hope it mark me as brainlieast.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.