August 2017 Living Environment Regents Questions 11-20 Question Preview (ID: 56812)

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These changes are an example of

a) humans degrading an ecosystem by removing wildflowers

b) the loss of genetic variation in a plant species

c) the growth of a forest through ecological succession

d) the biological evolution of wildflowers, shrubs, and trees

The most likely result of completely removing carbon dioxide from the environment of a plant is that sugar production will

a) continue at the same rate

b) increase and oxygen production will also increase

c) increase and oxygen production will stay the same

d) decrease and eventually stop

Which statement identifies an environmental concern associated with the development of the shopping center?

a) Building the center would decrease resources needed by local organisms.

b) The new shopping center would increase competition with already existing businesses.

c) Building the center would decrease the amount of pollution in the area.

d) The new shopping center would increase the biodiversity of the area.

Homeowners have been encouraged to learn how to identify invasive plants and to remove them if they fi nd them. The most likely reason for removing invasive plants is to

a) allow only one type of native plant to grow

b) preserve biodiversity

c) eliminate unfamiliar food sources

d) increase the rate of ecological succession

Which row in the chart below correctly pairs a human activity with its impact on the environment?

a) 1

b) 2

c) 3

d) 4

This bacterial cell can now be used to produce

a) the bacterial gene for insulin that can be inserted into humans

b) human genes for enzymes that can be inserted into humans

c) insulin that can be used by humans

d) enzymes necessary to treat human diseases

The change observed in the number of green and brown beetles in the population is most likely due to

a) natural selection

b) selective breeding

c) gene manipulation

d) a common ancestor

Which structure is correctly paired with its reproductive function?

a) A – pathway of gametes

b) B – synthesis of progesterone

c) C – production of sperm

d) D – regulation of homeostasis

For centuries, humans have used resources from coastal areas and open ocean waters. An example of an activity that would promote the conservation of coastal areas and ocean resources is

a) harvesting large numbers of different fish species

b) allowing all-terrain vehicles access to beach areas

c) creating protected zones of natural grasses and shrubs in beach areas

d) encouraging the construction of factories along the ocean shoreline

Which activity would eventually result in a stable ecosystem?

a) deforestation in an area to increase space for the species living there

b) mowing a large field so it can be used for recreation

c) allowing native plants to grow undisturbed in an abandoned field

d) spraying pesticides on a field at the end of each growing season

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