What would happen if another species came to the island?
Given what you know about the birds on Daphne, predict what would happen to the native species with each type of colonizing finch. Assume that the colonizing bird is superior to the native birds at foraging.

Respuesta :

G. Fortis- Getting larger over generations. The native species  of Darwin's finch begins to overlap somewhat with Big Birds in morphological space.

G. magnirostris- Native birds of Darwin's finch with genes for larger beaks starve. Getting smaller over generations.

G. Scandens- Native birds of Darwin's finch starve. The native species goes extinct on the island.

Geospiza fortis is its scientific name. The medium ground finch is a bird species in the Thraupidae family. It is only found in the Galapagos Islands. Its natural habitat is primarily tropical shrubland. The species, one of Darwin's finches, was the first to be recognized evolving in real time by scientists.

Geospiza magnirostris is its scientific name. The large ground finch is a bird species. One of Darwin's finches, it is now classified as Thraupidae after previously being classified as Emberizidae. It is endemic to the Galapagos Islands and can be found throughout the archipelago's arid zone, with the exception of the southeastern islands.

Geospiza scandens is its scientific name. The common cactus finch, also known as the small cactus finch, is a species of bird in the tanager family Thraupidae's Darwin's finch group. It is endemic to the Galapagos Islands, where it can be found on almost every island except Fernandina, Espaola, Genovesa, Darwin, and Wolf.

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Complete question :

Daphne can be a hard place to live. Because the island is small, resources can be limited. Shifts in population numbers and morphology occurred when G. magnirostris colonized the island, and again when the Big Bird colonized Daphne and bred.

Watch the video to see what changes came about after G. magnirostris colonized the island.

What would happen if another species came to the island?

Given what you know about the birds on Daphne, predict what would happen to the native species with each type of colonizing finch. Assume that the colonizing bird is superior to the native birds at foraging.