Imported plants and animals in hawaii have
a. caused native species to die out.
b. increased the native bird species.
c. improved soil fertility.
d. increased crop yields.

a. caused native species to die out.

Explanation:

This is one of the consequences of the importation of animal and plants in Hawaii. When an organism (animal or plant) is imported into a region, it often leads to the decline of native species. This is due to several factors, including the spread of diseases, competition for land and lack of predators. This has led the governments of many countries to try to regulate the importation of foreign species.

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explanation:

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