b_biology_frq_03 - AP® Biology 2003 Free-Response...

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Unformatted text preview: AP® Biology 2003 Free-Response Questions Form B The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to-face teaching purposes. This permission does not apply to any third-party copyrights contained herein. This material may not be mass distributed, electronically or otherwise. These materials and any copies made of them may not be resold, and the copyright notices must be retained as they appear here. These materials were produced by Educational Testing Service® (ETS®), which develops and administers the examinations of the Advanced Placement Program for the College Board. The College Board and Educational Testing Service (ETS) are dedicated to the principle of equal opportunity, and their programs, services, and employment policies are guided by that principle. The College Board is a national nonprofit membership association whose mission is to prepare, inspire, and connect students to college and opportunity. Founded in 1900, the association is composed of more than 4,300 schools, colleges, universities, and other educational organizations. Each year, the College Board serves over three million students and their parents, 22,000 high schools, and 3,500 colleges through major programs and services in college admissions, guidance, assessment, financial aid, enrollment, and teaching and learning. Among its best-known programs are the SAT®, the PSAT/NMSQT®, and the Advanced Placement Program® (AP®). The College Board is committed to the principles of equity and excellence, and that commitment is embodied in all of its programs, services, activities, and concerns. For further information, visit www.collegeboard.com Copyright © 2003 College Entrance Examination Board. All rights reserved. College Board, Advanced Placement Program, AP, AP Vertical Teams, APCD, Pacesetter, Pre-AP, SAT, Student Search Service, and the acorn logo are registered trademarks of the College Entrance Examination Board. AP Central is a trademark owned by the College Entrance Examination Board. PSAT/NMSQT is a registered trademark jointly owned by the College Entrance Examination Board and the National Merit Scholarship Corporation. Educational Testing Service and ETS are registered trademarks of Educational Testing Service. Other products and services may be trademarks of their respective owners. For the College Board’s online home for AP professionals, visit AP Central at apcentral.collegeboard.com. 2003 AP® BIOLOGY FREE-RESPONSE QUESTIONS (Form B) BIOLOGY SECTION II Time—1 hour and 30 minutes Directions: Answer all questions. Answers must be in essay form. Outline form is not acceptable. Labeled diagrams may be used to supplement discussion, but in no case will a diagram alone suffice. It is important that you read each question completely before you begin to write. Write all your answers on the pages following the questions in the goldenrod booklet. 1. A difference between prokaryotes and eukaryotes is seen in the organization of their genetic material. (a) Discuss the organization of the genetic material in prokaryotes and eukaryotes. (b) Contrast the following activities in prokaryotes and eukaryotes: • • • • Replication of DNA Transcription or translation Gene regulation Cell division 2. Hormones play important roles in regulating the lives of many living organisms. (a) For TWO of the following physiological responses, explain how hormones cause the response in plants. • increase in height • adjustment to change in light • adjustment to lack of water (b) For TWO of the following physiological responses, explain how hormones cause the response in animals. • increase in height • adjustment to change in light • adjustment to lack of water (c) Describe TWO different mechanisms by which hormones cause their effects at the cellular level. Copyright © 2003 by College Entrance Examination Board. All rights reserved. Available to AP professionals at apcentral.collegeboard.com and to students and parents at www.collegeboard.com/apstudents. GO ON TO THE NEXT PAGE. 2 2003 AP® BIOLOGY FREE-RESPONSE QUESTIONS (Form B) 3. Water is important for all living organisms. The functions of water are directly related to its physical properties. (a) Describe how the properties of water contribute to TWO of the following. • transpiration • thermoregulation in endotherms • plasma membrane structure (b) Water serves as a reactant and a product in the carbon cycle. Discuss the role of water in the carbon cycle. (c) Discuss the impact of one human activity on the water cycle. 4. Biologists are interested in preserving the diversity of living organisms on the planet. (a) Explain THREE of the following processes or phenomena, using an appropriate example for each. • mutation • adaptive radiation • polyploidy • population bottlenecks • growth of the human population (b) For each process or phenomenon you selected in (a), discuss its impact on the diversity of life on Earth. END OF EXAMINATION Copyright © 2003 by College Entrance Examination Board. All rights reserved. Available to AP professionals at apcentral.collegeboard.com and to students and parents at www.collegeboard.com/apstudents. 3 ...
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This note was uploaded on 11/23/2009 for the course BIOLOGY 1101 taught by Professor Keith during the Winter '05 term at The University of Oklahoma.

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