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Biology, 17.11.2019 01:31 Mathewcastillo88

Scientists theorize that australia was once part of a larger mainland area but due to plate tectonics, broke away. according to island theory, scientists can explain all but one of these occurrences as a result of australia becoming and staying an island for a very long time. that is
a) extremes in size, large or small.
b) the evolution of flightless birds.
c) the presence of relics, like the marsupials.
d) a large assortment of plant dispersal mechanisms.

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