In 1859, two dozen rabbits were introduced to australia. by 1953, there were an estimated one billion rabbits in australia. the addition of the rabbits to this established ecosystem caused many problems, including a huge decrease in native plants. this left little food for native animals. this is an example of how
a) diversity improves an established ecosystem.
b) genetic variation leads to the formation of a new species.
c) the introduction of non-native species upsets a balanced system.
d) changing in one part of a system does not affect other parts of the system.
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Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels
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