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Why were Darwin's galapagos finches so important to Darwin's theory?
It is thought that the finches have a common ancestor. Separated on different islands, each island eventually produced different finches.
What discovery lead Charles Darwin to develop his theories on adaptation?
finches on the Galapagos islands, darwin noticed that on different island each beak of the finch was different depending on the food avalible on the different islands so darwin presumed that as each finch moved to these islands their beaks changed
Are finches in Galapagos islands similar?
No, evolution has created different species of finches on the Galapagos Islands. There are 15 different species that are found on the Galapagos islands.
Why did Darwin think that the finches looked different on the various islands?
The different finches have different shaped beaks.
Why did Darwin find 9 different species of finches on the Galapagos Islands?
The species of finches Darwin found were so varied because they had migrated over time to islands of different vegetation, and they adapted to better suit their new environment. Over time, the finches became so different from each other that they turned into new species.
Are finches in Galapagos islands different types?
yes
Had different shaped shells depending on the island they were from?
The Galapagos Islands. Charles Darwin discovered that the birds on the island, finches, had different beaks. The finch's beak varies from each island to help the finch eat the food they can find on the island
What birds on the Galapagos island were adapted to different regions?
Darwin realized finches on the Galapagos Islands were adapted to different regions
Where did charles darwin find finches?
On each island of the Galapagos Islands
What did Darwin hypothesized that the different finches on the Galapagos islands all had a what?
a common ancestor
How finches adapted different beak sizes on the galapagos islands?
natural selection
How did the finches help Darwin to formulate his theory of natural selection and evolution?
There were many islands and finches on each. The finches did not fly from their home island to other islands. Different islands had different food for the finches. Darwin noticed that where there were plenty of honeysuckle flowers for the birds to feed on, the finches there had long beaks. On islands where the best bird-food was small seeds, the finches had beaks more like canary beaks, short and strong. Darwin also noticed that the finches were all from the same original flock and had probably mixed up when the islands were closer together and they could fly to any island to feed. So Darwin concluded that when the finches became isolated on different islands, their beaks evolved to be most suitable for eating the food available. The birds with the wrong beaks died young and had few chicks and these chicks unfortunately for them inherited their parents silly beaks. The birds with the right beaks fed well and had lots of chicks who inherited good beaks. So eventually nearly all the finches on any given island had the most suitably shaped beaks.
