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Question: the chatham islands are about 850 kilometers off the coast...

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The Chatham Islands are about 850 kilometers off the coast of New Zealand. One species of bird living on the islands, the black robin (Petroica traversi), in 1980 there were only 5 individuals left. Currently, there are already 200 black robins living there: all from a single pair. Using the "fingerprint" method of blood cell DNA, it was proved that all the robins of this species are genetically identical according to the studied gene sequences. They thrive here today. Even 70 percent young survive. And on the continent, only 42% of young Petroica australis survive.. a) i) What can you say about the taxonomic links between the Chatam Islands and the mainland robins in terms of the scientific names of these birds? ii) What could have ever influenced the separation of the two robin populations?
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