Read the Following Scenario and Answer the Question Below

Read the following scenario and answer the question below.
Many biologists and environmental educators are interested in maintaining biodiversity in urban landscapes, where preserves or reserves are scarce unless land has been set aside for them in urban planning. Nonetheless, they have discovered that making even small changes in commercial and residential landscaping can help promote biodiversity. Some of the changes that have been recommended and are having success are using native species for street trees and for decorative landscaping, reducing pesticide use on lawns and gardens and reducing fertilizer use through composting and mulching. Also, managers of schools, larger businesses and residences are encouraged to increase habitat diversity by creating ʺlandscape islandsʺ that include larger trees surrounded by shrubs and herbaceous plants. Landscape islands ideally should include native species, mixed with exotic ornamentals at the discretion of the land owners.
-You also decide to greatly reduce the amount of chemical fertilizers you use in your landscape and rely more on mulching and composting. This will benefit your yard ʺecosystemʺ by _______________.

A) increasing the populations of butterflies
B) making habitats for pollinators
C) decreasing the plant biodiversity of the yard
D) decreasing the number of predatory animals and insects
E) reducing nutrient pollution in nearby areas and increasing soil organismsʹ biodiversity

Correct Answer:

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