How Does Darwim Explain the Differences in the Birds
They must have all evolved on one island and then spread to others 2. Darwins observations that led to his theory of natural selection are. Reading Darwin And Descent With Modification Biology I Only useful variations will be translated over successive generations according to Darwinism. . They also believed that organisms have changed over the years to adapt to. These adaptations make them more fit to survive on available food. An ancient fish evolves to become the ancestor of. Example Lamarck Darwin Giraffes Wanted to reach food high in trees used neck to reach leaves long neck pass to offspring Some giraffes already had slightly longer necks from mutation created variation in population environment favored longer necks long necks survived and passed on trait Needed to stretch legs to get food in deeper water passed on trait to offspring There. However Lamarck proposed that evolution takes place through inheritance of ac...