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Living Environment - New York Regents August 2017 Exam


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: Multiple choice

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1.

                                                  Part A
                                Answer all questions in this part.    [30]
   Directions (1–30): For each statement or question, record on the separate answer sheet the number of the
word or expression that, of those given, best completes the statement or answers the question.
1 A fruit fly is classified as a consumer rather than
  as a producer because it is unable to
  (1) reproduce asexually
  (2) synthesize its own food
  (3) release energy stored in organic molecules
  (4) remove wastes from its body

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  Half-n-half Clue
 

2.

2 Which change is an example of maintaining
  dynamic equilibrium?
  (1) A plant wilts when more water is lost from
      the leaves than is lost by the roots.
  (2) A plant turns yellow when light levels are
      very low.
  (3) Insulin is released when glucose levels in the
      blood are high.
  (4) A person sweats when the environmental
      temperature is low.

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  Half-n-half Clue
 

3.

3 Organisms contain compounds such as proteins,
  starches, and fats. The chemical bonds in these
  compounds can be a source of
  (1) amino acids           (3) energy
  (2) simple sugars         (4) enzymes

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  Half-n-half Clue
 

4.

4 Phosphorus is necessary for the growth of healthy
  plants. Scientists are developing plants that can
  grow in phosphorus-poor soil. Some of these new
  varieties, produced in a lab, make extra copies of a
  protein that helps them obtain more phosphorus
  from the soil. The process being used to develop
  these new varieties is most likely
  (1) paper chromatography
  (2) natural selection
  (3) direct harvesting
  (4) genetic engineering

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  Half-n-half Clue
 

5.

5 Which life function is not necessary for an
  individual organism to stay alive?
  (1) nutrition             (3) regulation
  (2) reproduction          (4) excretion

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  Half-n-half Clue
 

6.

6 Lobsters prey on sea hares, which are marine
  animals. The lobsters find their prey through a
  sense of smell. The sea hares defend themselves
  by squirting ink at the lobster, as shown in the
  photo below. The ink sticks to the lobster,
  interfering with its sense of smell.
The most likely reason the sea hare can escape is
because the sea hare ink
(1) pushes the sea hare away rapidly as the ink is
    expelled
(2) blocks a receptor on certain cells in the
    lobster
(3) causes the lobster to change its prey
(4) prevents movement of the lobster

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  Half-n-half Clue
 

7.

7 Which statement is an accurate description of
  genes?
  (1) Proteins are made of genes and code for
      DNA.
  (2) Genes are made of proteins that code for ni-
      trogen bases.
  (3) DNA is made of carbohydrates that code for
      genes.
  (4) Genes are made of DNA and code for pro-
      teins.

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  Half-n-half Clue
 

8.

8 The bobolink is a small blackbird that nests
  in fields of tall grass. It breeds in the summer
  across much of southern Canada and the
  northern United States. It migrates long
  distances, wintering in southern South America.
  The numbers of these birds are declining due to
  disruption of the areas where they live.
In order to save these birds from extinction, the
best course of action would be to
(1) prevent the birds from migrating to South
    America
(2) encourage farmers to let their hay fields
    undergo succession
(3) work to protect bobolink habitats in South
    and North America
(4) capture all the bobolinks and keep them safe
    in zoos

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  Half-n-half Clue
 

9.

9 A child with cystic fibrosis has an altered protein
  in his cells that stops chloride ions from leaving
  the cells. This protein most likely affects the
  functioning of
  (1) cell membranes          (3) mitochondria
  (2) nuclei                  (4) ribosomes

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  Half-n-half Clue
 

10.

10 Which row in the chart below shows a direct
   relationship that can exist between two living
   organisms?

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  Half-n-half Clue
 

11.

11 Scientists have studied the return of plant life on
   Mount St. Helens ever since the volcano erupted
   in 1980. Wildflowers began colonizing the area,
   followed by shrubs and small trees. Scientists
   predict that it will likely take hundreds of years
   before the area returns to a forest dominated
   by fir and hemlock trees. These changes are an
   example of
   (1) humans degrading an ecosystem by remov-
       ing wildflowers
   (2) the loss of genetic variation in a plant species
   (3) the growth of a forest through ecological
       succession
   (4) the biological evolution of wildflowers,
       shrubs, and trees

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  Half-n-half Clue
 

12.

12 The most likely result of completely removing
   carbon dioxide from the environment of a plant
   is that sugar production will
   (1) continue at the same rate
   (2) increase and oxygen production will also in-
        crease
   (3) increase and oxygen production will stay the
        same
   (4) decrease and eventually stop

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  Half-n-half Clue
 

13.

13 Before a new shopping center can be built
   on previously undeveloped land, the builders
   must submit a proposal to the local government
   for approval. Which statement identifies an
   environmental concern associated with the
   development of the shopping center?
   (1) Building the center would decrease resources
       needed by local organisms.
   (2) The new shopping center would increase
       competition with already existing businesses.
   (3) Building the center would decrease the
       amount of pollution in the area.
   (4) The new shopping center would increase the
       biodiversity of the area.

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  Half-n-half Clue
 

14.

14 Homeowners have been encouraged to learn
   how to identify invasive plants and to remove
   them if they find them. The most likely reason
   for removing invasive plants is to
   (1) allow only one type of native plant to grow
   (2) preserve biodiversity
   (3) eliminate unfamiliar food sources
   (4) increase the rate of ecological succession

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  Half-n-half Clue
 

15.

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

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  Half-n-half Clue
 
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