43 - The University of the State of New York REGENTS HIGH...

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The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION LIVING ENVIRONMENT Thursday, January 30, 2003 — 9:15 a.m. to 12:15 p.m., only Student Name _____________________________________________________________ School Name ______________________________________________________________ Print your name and the name of your school on the lines above. Then turn to the last page of this booklet, which is the answer sheet for Part A. Fold the last page along the perforations and, slowly and carefully, tear off the answer sheet. Then fill in the heading of your answer sheet. This examination has three parts. You must answer all questions in this exami- nation. Write your answers to the Part A multiple-choice questions on the separate answer sheet. Write your answers for the questions in Parts B and C directly in this examination booklet. All answers should be written in pen, except for graphs and drawings which should be done in pencil. You may use scrap paper to work out the answers to the questions, but be sure to record all your answers on the answer sheet and in this examination booklet. When you have completed the examination, you must sign the statement printed on the Part A answer sheet, indicating that you had no unlawful knowl- edge of the questions or answers prior to the examination and that you have neither given nor received assistance in answering any of the questions during the examination. Your answer sheet cannot be accepted if you fail to sign this decla- ration. DO NOT OPEN THIS EXAMINATION BOOKLET UNTIL THE SIGNAL IS GIVEN.
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1A biologist reported success in breeding a tiger with a lion, producing healthy offspring. Other biologists will accept this report as fact only if (1) research shows that other animals can be crossbred (2) the offspring are given a scientific name (3) the biologist included a control in the experi- ment (4) other researchers can replicate the experi- ment 2 The diagram below represents a pyramid of energy in an ecosystem. Which level in the pyramid would most likely contain members of the plant kingdom? (1) A (3) C (2) B (4) D 3 Which condition would cause an ecosystem to become unstable ? (1) only heterotrophic organisms remain after a change in the environment (2) a slight increase in the number of hetero- trophic and autotrophic organisms occurs (3) a variety of nonliving factors are used by the living factors (4) biotic and abiotic resources interact 4 Nerve cells are essential to an animal because they directly provide (1) communication between cells (2) transport of nutrients to various organs (3) regulation of reproductive rates within other cells (4) an exchange of gases within the body 5 Certain bacteria produce a chemical that makes them resistant to penicillin. Since these bacteria reproduce asexually, they usually produce off- spring that (1) can be destroyed by penicillin (2) mutate into another species (3) are genetically different from their parents (4) survive exposure to penicillin 6A sudden change in the DNA of a chromosome can usually be passed on to future generations if the change occurs in a (1) skin cell (3) sex cell (2) liver cell (4) brain cell 7A
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This note was uploaded on 11/05/2009 for the course GEOL 21 taught by Professor Georgesmith during the Fall '08 term at Foothill College.

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43 - The University of the State of New York REGENTS HIGH...

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