They had descended with modification from a common mainland ancestor.
Biological Species Concept, which defines species as groups of interbreeding populations that are reproductively isolated from other groups.
finches
they don't
Finches, amomg others...
Geographic isolation of a common ancestral species of finches
No, evolution has created different species of finches on the Galapagos Islands. There are 15 different species that are found on the Galapagos islands.
Biological Species Concept, which defines species as groups of interbreeding populations that are reproductively isolated from other groups.
finches
they don't
a galapogas penguin!
the galapagos islands
No, Darwin believes that land animals traveled to the Galapagos Islands and adapted to the islands in different ways, causing them to become a different species.
Lava Lizards can be found on all the Galapagos Islands, however saying that, different species of these lizards are found on different Islands.
according to Mr Henry odaya the Valene mosha is the biggest species to exist on the Galapagos islands.
Finches, amomg others...
Geographic isolation of a common ancestral species of finches
The Galapagos are a group if islands off the coast of Ecuador. The species that live there have many places in which to sleep.