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Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3 – 8 are short free-response questions that require about 6 minutes each to answer.
Explore course-specific free-response questions, scoring information, and student samples from past exams. AP Capstone. AP Research. AP Seminar. Arts. AP 2-D Art and Design. AP 3-D Art and Design ... AP Biology. AP Chemistry. AP Environmental Science. AP Physics 1: Algebra-Based. AP Physics 2: Algebra-Based. AP Physics C: Electricity and Magnetism.
Download free-response questions from past AP Biology exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.
AP® BIOLOGY 2018 SCORING GUIDELINES © 2018 The College Board. Visit the College Board on the Web: www.collegeboard.org. Question 2 Figure 1. Cellular response to infection by pathogenic bacteria . Some pathogenic bacteria enter cells, replicate, and spread to other cells, causing illness in the host organism.
Enter your responses for the grid-in questions on page 3 of the answer sheet beginning with number 121. You will receive credit only if the circles are illed in
2018 Free-Response Questions Question Mean . Standard Deviation Number of Possible Points ; 1 4.73 ; ... www.collegeboard.org . CollegeBoard . Title: AP® Biology Scoring Statistics 2018 Free-Response Questions Author: College Board Subject: AP; Advanced Placement; Keywords: 2018 AP Scoring Statistics; exam information; scoring information ...
AP® BIOLOGY 2018 SCORING COMMENTARY Question 1 Overview This question is based on recent investigations into the evolutionary history of polar bears. Students were presented with a phylogenetic tree created from mitochondrial DNA (mtDNA) data for five populations of bears.
