How many generations did it take modern man to leave Africa and penetrate every corner of the globe?

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Explanation:

Though The first Homo Sapiens were born about 200,000 years ago, the modern man left Africa 60,000 years ago to penetrate every corner of the world. It is hard to find that the distance and time of their travel. According to the anthropologist and paleontologist, the human took nearly six hundred generations to leave their African homeland to settle the world. It is also known as ‘’The great human migration’’.

Here is the source: The Genographic Project, National Geographic Smithsonian Magazine, University of Oxford.

answer; i believe that the correct answer is (lung);

the two answers are a, the population of birds with large beaks will increase on the island, and c, the trait for large beaks will be passed on to future generations through natural selection. the reason for that is because if the birds that have beaks developed for eating small seeds lose all of their food, they will go hungry and eventually starve because they physically cannot eat the large seeds, therefore making the population of large beaked birds higher. also, if the trait of large beaks are dominant on the island over small beaks, then over time the large beaked birds will reproduce more and more, while the smaller beaked birds will reproduce less and less because they can't survive with the food provided. that leads to the trait of small beaks disappearing and the trait of large beaks taking over the island.