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kondor19780726 [428]
3 years ago
10

Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited. W

hich is the most likely cause of the observed variation?
Biology
2 answers:
prohojiy [21]3 years ago
5 0
The most likely cause of the beak variation is the food source of the finch, the break size and shape was adapted to most likely have easier and better access to food.  <span />
KATRIN_1 [288]3 years ago
4 0

Answer:

Competition for available food resources (plants, seeds, insects, cactus etc)  among themselves.

Explanation:

The ancestral finches were the seed eating stock that fed on seeds. These ancestral finches diversified according to different types of food due to competition for available food resources (plants, seeds, insects, cactus etc) among themselves. This led to diversification of ancestral stock and evolution of unique beak size and shape in the finch population of each of the Galapagos Islands.

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