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Living Environment - New York Regents June 2016 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 Which statement is an example of the inter-
  dependence of organisms?
  (1) Owls hunt at night.
  (2) Ants get food from insects and protect
      insects from predators.
  (3) Ticks feed on the blood of animals and the
      ticks grow larger.
  (4) Crows feed on dead mice.

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  Half-n-half Clue
 

2.

2 Residents of a town are concerned that a recently
  built factory could pose health risks. Scientists
  were asked to investigate the effects of the
  factory on the health of local residents. The most
  relevant information they reported was that
  (1) in a survey, residents felt that the air in town
      looks dirtier now
  (2) there have been reports that other types of
      factories have been linked with health issues
  (3) residents have occasionally seen smoke
      coming from the factory
  (4) local medical facilities have recently reported
      a 15% increase in the number of patients
      treated for asthma

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  Half-n-half Clue
 

3.

3 Farmers may someday clone their best milk-
  producing cow into a whole herd. What potential
  disadvantage might be important to consider in
  having such a large group of clones on one farm?
  (1) It may be difficult to tell the animals apart.
  (2) Lack of variation may limit survival in the
      herd.
  (3) The cows could be fertilized by only one
      type of bull.
  (4) The cows could be mated only with each
      other.

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  Half-n-half Clue
 

4.

4 DNA replication occurs in preparation for
  (1) mitosis, only
  (2) meiosis, only
  (3) both mitosis and meiosis
  (4) neither mitosis nor meiosis

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  Half-n-half Clue
 

5.

5 An individual eats a hamburger. Which two
  systems must interact to transfer the nutrients in
  the hamburger to human muscle tissue?
  (1) respiratory and excretory
  (2) digestive and immune
  (3) digestive and circulatory
  (4) circulatory and respiratory

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  Half-n-half Clue
 

6.

6 The diagram below shows cell A completing a
  life process.
Cell A performs functions similar to the tissues
and systems in complex, multicellular organisms.
This process results in
(1) increased genetic variation
(2) the maintenance of homeostasis
(3) a reduction in competition
(4) increased autotrophic nutrition

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  Half-n-half Clue
 

7.

7 The shape of a protein molecule directly determines its
  (1) movements through the cytoplasm
  (2) functions inside and outside of cells
  (3) roles in building water molecules
  (4) circulation throughout the body

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  Half-n-half Clue
 

8.

8 The diagram below represents a cell and some molecules in its environment.
Which molecule would require the use of energy in order to be brought into the cell?
(1) 1                                                  (3) 3
(2) 2                                                  (4) 4

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  Half-n-half Clue
 

9.

9 Many domestic plants that are currently used for food by humans share a wild plant ancestor. The changes
  that have occurred in four common plants and the results are shown in the chart below.
What event most likely produced the changes that occurred in the wild plant ancestor?
(1) Mutations in wild mustard sex cells were passed on to offspring.
(2) Humans did not like to eat wild mustard.
(3) Competition for survival occurred in all ecosystems of the world.
(4) Ancient herbivores overgrazed wild mustard.

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  Half-n-half Clue
 

10.

10 A strand of DNA in a skin cell contains the
   bases:
          A-T-G-C-C-A-T-C-G-G-T-A
   After the cell is exposed to ultraviolet light,
   the strand contains the bases:
         A-T-G-G-C-C-A-T-C-G-G-T-A
   Which statement describes the result of this
   exposure?
   (1) A new base has been inserted.
   (2) A base has been deleted.
   (3) One base has been substituted for another.
   (4) There have been no changes in the bases.

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11.

11 An ameba, a one-celled organism, can move,
   ingest, and transport materials within the cell,
   because it has
   (1) organs              (3) tissues
   (2) organelles          (4) systems

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  Half-n-half Clue
 

12.

12 In humans, the placenta is essential to the
   embryo for
   (1) nutrition, excretion, and reproduction
   (2) respiration, nutrition, and excretion
   (3) movement, reproduction, and nutrition
   (4) coordination, movement, and growth

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  Half-n-half Clue
 

13.

13 A student infected by a common cold virus ran a
   low-grade fever. After a few days, the student’s
   temperature returned to normal and the student
   was free of cold symptoms. The fever served as
   (1) an antigen in the circulatory system
   (2) an immune response to a pathogen
   (3) a biological catalyst
   (4) a weakened pathogen

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  Half-n-half Clue
 

14.

14 Many animals have developed courtship behaviors.
   Males will often dance, swim, or sing in a
   particular way to attract a female. Males who are
   more successful at the courtship behavior will
   have a greater chance of having more offspring.
   This behavior is a result of
   (1) natural selection
   (2) genetic engineering
   (3) asexual reproduction
   (4) gene manipulation

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  Half-n-half Clue
 

15.

15 After a zygote is formed, specialization of cells
   occurs. Through which process do the cells of a
   zygote become specialized?
   (1) sexual reproduction (3) fertilization
   (2) meiosis              (4) differentiation

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  Half-n-half Clue
 
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