Describe why Darwin's finches were different on each of the galapagos island

discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection. ... They also helped investigate evolutionary changes in Darwin's finches.

Explanation: native birds––14 of which make up the group known as Darwin’s finches. These finches are considered to be the world’s fastest-evolving vertebrates because their appearance and behavior quickly adapted to this closed and rapidly changing environment.

it cools slower in the earth meaning the crystals have more time to form than lava on the surface