Natural Wonders: Belief in balance and order for the Earth
With the advent of more convenient forms of transportation, animal and plant species have been shifted al over the world.Although some of those introductions have been accidental, a preponderance of the spread has been on purpose, often to "improve" the balance existing in various lands, or as if there is a yearning to restore the previous Gondwana one-mass unity of continents thought to exist 200 million years ago.
Some introductions have worked, but the bulk of shifted species has been a habitat upset so immense, as in the case of importing rabbits and toads into Australia, that they banned everything coming in or going out in the 1960s — government zoos the only exception. The isolation of Australia has evolved into some incredibly strange species adapted to that land, but rapid multiplication of