Compare/contrast lamarck's explanation of evolution with darwin's theory of evolution by natural selection.

Both Lamarks's theory and Darwin's theory both emphasize the evolution of species from simple life forms.

Evolution is the idea that complex life forms came from simple life forms. There are two basic approaches to the study of evolution;

Darwin's theoryLamark's theory

The main difference between the Darwin's theory and Lamark's theory is that Darwin's theory emphasized natural selection while the Lamark's theory emphasized the use and disuse of body parts.

However, the two theories provides a vital approach to studying the evolution of complex life forms from simple life forms:

Learn more about evolution: link

Lamarck's theory postulates that traits are inherited to their descendants, Darwin's theory states traits are given by natural selection.

For Example, the majestic GIRAFFE! :-)

-Darwin's Theory says giraffes with long necks would be better suited for their African Savannah and would live and reproduce better than giraffes with short necks (natural selection). The short neck gene would.eventually die off.

-Lamarck's Theory says crave perfection. Giraffes with short necks would eventually grow longer necks instead of in Darwin's Theory, dying out. He then concludeds his theory that the giraffes with the better genes will get control over the gene pool aka the good genes are used more, but the bad genes don't just die out like in the other theory.

Hope this helps! :-)

Sorry  i don't understand can you rephrase that