I am just wondering again how did Rosemary and Peter Grant managed to survive for 4 years in that isolated, deserted and lonely small rocky island called Daphne Major in the Galapagos archipelago without fresh water, fruits, vegetables, cereal grains except for marine animals and birds
He wrote that sometimes there were long periods of rainfall which could provide them with fresh water, but he also mentioned long periods of droughts that affected the vegetation and size of seeds there on which the finches feed. Where then during droughts could they get fresh water? Surely they could not drink sea water?
My question on adaptation then is, how did they as humans adapt to these climatic and environmental changes alone there in that isolated rocky island? Surely their digestive system did not evolve better to feed, or change functions like the shape and lengths of the beaks of the finches they observed there?
How would humans like Mr. & Mrs. Grant cope in such a hostile environment without fresh water during droughts and fresh fruits and vegetables which are the first and most basic needs?
Did they evolve for the better like those birds there? Any long term changes should also affect us as humans just like those animals and plants because we as homo sapiens zoologically-speaking are also animals don’t you think so?
The only thing I can think of is the Grants like Charles Darwin became more intelligent and more knowledgeable on what was going around them to make logical assumptions based on observations
But they would not change much structurally and anatomically-speaking like those finches or other animals, don’t you think so?
This is just my food for thought?
Lim Ju Boo
Academic Forum
University of Cambridge
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