Identify the correct conclusion regarding the given statements.

i. There are patterns in the fossil record that suggest other species have diverged from a single ancestor species.

ii. There are biogeographic pattern in the distribution of species, for instance distinct bird species on an island tend to resemble one anther, suggesting a common ancestor.

iii. There are common stages in the early embryological development of organisms representing several distinct vertebrate groups.

iv. Anatomical structures, such as forelimbs, in different groups appear to be modified versions of structures that might have been present in a common ancestor.