While on the Galapagos Islands, Darwin noticed that there were a number of species of finches that he theorized descended from a common ancestor. He hypothesized that these finches became isolated on an island and adapted to fit an ecological role on that island. Which finch most likely adapted to an ecological role that involved eating nuts?

Answer.

Geozpiza magnirostris.

Explanation.

A species is a group of organisms capable of mating and producing offspring, and speciation is the process of forming a new species.

One way a new species may form is by geographic isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert.

After the separation the two populations, responding to different conditions, will adapt differently, and so their evolutionary paths will

diverge

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

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