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Living Environment - New York Regents June 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 An example of recycling is
  (1) using a paper cup instead of a mug
  (2) turning off the lights when leaving a room
  (3) using plastic from a soda bottle to make a
      certain type of clothing
  (4) using two paper towels rather than five to
      clean up a spill

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  Half-n-half Clue
 

2.

2 One characteristic of a stable ecosystem is
  (1) a high number of predators
  (2) an interdependence of organisms
  (3) a lack of biodiversity
  (4) an increase in human interference

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  Half-n-half Clue
 

3.

3 According to scientists, ocean waves could be
  a source of energy. Devices are being designed
  to capture the energy from waves and supply
  electricity to coastal areas. A direct benefit of
  utilizing this technology to produce energy would
  be the
  (1) destruction of habitats near the devices
  (2) decreased use of nonrenewable resources
  (3) release of gases needed for photosynthesis
  (4) increased use of finite resources

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  Half-n-half Clue
 

4.

4 The emerald ash borer is an insect that is thought
  to have been accidentally brought to the United
  States from China in shipping containers. It
  attacks ash trees, eventually killing the trees,
  destroying an important part of the ecosystem.
  The presence of the emerald ash borer in the
  United States can be used as an example of how
  humans have
  (1) purposely introduced an insect to correct a
      problem in an ecosystem
  (2) used an insect to remove one insect species
      and replace it with another
  (3) worked to increase the biodiversity in a
      particular area
  (4) altered the equilibrium in an ecosystem by
      introducing a new species

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  Half-n-half Clue
 

5.

5 Which graph best shows the changes in global
  human population and natural resource use over
  the past 500 years?

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  Half-n-half Clue
 

6.

6 The burning of fossil fuels has harmed the
  environment by
  (1) decreasing acid rain in the northeast United
      States
  (2) adding carbon dioxide to the atmosphere
  (3) increasing biodiversity in the lakes and ponds
      of the Adirondacks
  (4) depleting the ozone shield directly over
      western New York State

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  Half-n-half Clue
 

7.

7 Which method of collecting data would
  provide the most accurate information about
  how an ecosystem is being affected by human
  development?
  (1) The people in the neighborhood record the
       number of birds they see in the area both
       before and after the construction of a new
       building.
  (2) Deer in the area are identified before
       construction so that scientists can see where
       they go after the building is finished.
  (3) More trees are planted in the area around
       the construction site to allow the animals a
       new place to live.
  (4) The population size is recorded for each
       species present in the construction area
       before and after the building is completed.

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  Half-n-half Clue
 

8.

8 Natural selection produces changes most quickly in
  (1) species with short reproductive cycles
  (2) individual pathogens killed by antibiotics
  (3) complex multicellular organisms
  (4) individuals that produce a small number of
      offspring

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  Half-n-half Clue
 

9.

9 As a result of habitat destruction, the size of the
  Florida panther population has been drastically
  reduced. It is estimated that there are only
  100 to 160 Florida panthers in the wild. Which
  statement best explains why the Florida panther
  population may not continue to evolve?
  (1) There is no longer a chance of mutations
      occurring in the population.
  (2) There is a lack of competition for limited
      environmental resources.
  (3) There is no longer a chance of a trait providing
      a reproductive advantage to the population.
  (4) There is a lack of genetic variation for selec-
      tion to act upon.

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  Half-n-half Clue
 

10.

10 Which level of the pyramid below is correctly
   paired with the type of organism that would most
   likely be found at that level in an ecosystem?
(1)   Level A – producers
(2)   Level B – carnivores
(3)   Level C – herbivores
(4)   Level D – decomposers

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  Half-n-half Clue
 

11.

11 Which statement best describes what is most
   likely to occur if an animal population grows larger
   than the carrying capacity of its environment?
   (1) The birth rate will increase.
   (2) Both the birth rate and death rate will
       decrease.
   (3) The death rate will increase.
   (4) Neither the birth rate nor the death rate will
       decrease.

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  Half-n-half Clue
 

12.

12 Many biotic factors affect individuals in a
   population. An example of an organism being
   directly affected by a biotic factor is
   (1) a squirrel cannot find a mate
   (2) a flood washes away a maple tree
   (3) a plant is in a dark room
   (4) a chipmunk finds a rock pile to use for a
       home

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  Half-n-half Clue
 

13.

13 When people receive organ transplants, they
   often need to take medications that decrease
   immune responses because
   (1) transplanted organs contain antigens that can
       trigger white blood cell activity
   (2) hormones present in replacement organs
       prevent the synthesis of antibiotics
   (3) transplanted organs produce their own
       antibiotics
   (4) antigens present in these organs attack
       antibodies already present in the blood

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  Half-n-half Clue
 

14.

14 Which structures regulate water loss and gas
   exchange in the leaves of plants?
   (1) vacuoles              (3) guard cells
   (2) chloroplasts          (4) mitochondria

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  Half-n-half Clue
 

15.

15 Which life process carried out by a green plant is
   represented in the diagram below?
(1) respiration      (3) digestion
(2) photosynthesis   (4) replication

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  Half-n-half Clue
 
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