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The Following Questions Refer to the Description Below

question 72

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The following questions refer to the description below.
Fynbos are endemic shrubs found in the Cape province of South Africa. A small botanical region known as the Cape Floral Kingdom, is one of the richest areas in the world in terms of plant diversity. Fynbos shrubs, readily recognized by their small, hard, tough, leathery leaves, are well adapted to summer droughts, nutrient-poor soils, and periodic fires. The fynbos shrub community plays a key role in maintaining a regional supply of water. In recent decades, exotic plant species, such as acacia trees from Australia and pine trees from Europe, have been introduced to South Africa and have invaded the fynbos. Researchers are now observing that stream flow from fynbos watersheds is inversely proportional to plant biomass and natural fire cycles have changed.
-Restoration ecology projects, including the removal of exotic species from the fynbos shrub community described above, are important because

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