Australia
Beginning of paper
Although only a dozen plant families are unique to , there are 530 unique genera and many unique species within these genera. As the n fragment of prehistoric Gondwanaland drifted north, its ancient flora became the basis for the present plant systems. Increasing aridity modified this vegetation, g ....
Middle of paper
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The second type of vegetation, communities dominated by the tall, straggly eucalyptus trees, is the most ubiquitous, forming a wide, concentric band around the desert core. Of the 500 species, two or three typically form a mosaic in one locality and intermingle with other plant associations. Eucalyptus trees are classified according to their bark types--hence the names stringybark, ironbark, bloodwood, and smoothbark (the gums that shed their outer bark annually). The most widespread is the ri ....
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Word count: 4707
Page count: 18 (approximately 250 words per page)
