and their velocities expressed in m/s are given by vA = 4i 2j + 2k, Based on the information provided, Gaucher disease results most directly from a defect in the function of which of the following organelles? Automakers have developed prototype gas turbine-powered vehicles, but the vehicles have not been generally marketed to consumers. Link to google doc with pictures: https://docs.google.com/document/d/1PwIJR9rrGvUy6aj5o4boqlzjh2HPbukkgoSELLUmvT0/edit. Q. Which of the following claims about the effects of the valinomycin treatment is best supported by the data presented in the table? If the pressure potential of the leaves increased to 1 Mpa, B. A) Some antibiotics inhibit the synthesis of bacterial cell walls. c. Carbon dissolved CO2 in aquatic ecosystems. C. Chemical energy in the form of ATP Get started for free! You will have 60 minutes to answer 45 questions. or. 1.1 | Structure of Water and Hydrogen Bonding Acetylcholinesterase (AChE) is a protein that catalyzes the conversion of acetylcholine to acetate and choline. AP Bio MCQ Unit 5. Light reactions, which convert solar energy into chemical energy (ATP, NADPH) in the thylakoid membranes, fuel the Calvin cycles production of sugars in the stroma. These two equations are used to find the solute concentration inside a cell and the tendency that water will leave the cell. In the first part, you found that 30 moles of ATP has 219 kCal available, and the problem states that oxidation releases 686 kCal of energy. D) Repeating the experiment using heat-denatured peroxidase. Which of the following statements best explains the findings? Ap Bio Unit 2 MCQ study guide 4.3 (21 reviews) Term 1 / 30 Which of the following functions is the cell type most likely specialized to perform? The cecum can become a vestigial structure in carnivores, since it is shorter in species B and C than in species A and D. B. Click here for the practice questions: AP Biology Unit 2 Multiple Choice Questions. AMP-activated protein kinase (AMPK) is a major cellular regulator of glucose metabolism. 2 Save Share Copy and Edit Edit. B) ATP synthase activity depends on a proton gradient across the thylakoid membrane. Which way would the purple molecules move through the semi-permeable membrane? Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, D. Water leaves the cell, causing it to shrink, A. unit 6 progress check mcq ap lang answers. Biology. Tests amp Quizzes AP Euro. Sensory pathways begin with the reception of sensory information, in which the stimulus is detected by sensory cells. Thus, the efficiency = (219 kCal)/ (686 kCal) = 31.9%. If the transformation depicted in organelle B requires oxygen, what form of energy is represented by E IV? Cladogram Practice LOOK OVER AT LEAST ONE! A.water enters the cell causing it to sink, B. What form of energy is represented by E II? C) Function will be gained by adding the urea and disrupted by removing the urea. carbon monoxide, carbon dioxide, and solid carbon. It increases the surface area available for ATP production, which results in faster cell growth. Clarify math Math is often viewed as a difficult and dry subject, but it can be made much simpler by breaking it down into smaller, more manageable pieces. By blocking AMPK with an inhibitor, researchers found that AMPK activation is required for metformin to produce an inhibitory effect on glucose production by liver cells. AP BIO - Unit 6 Topic Questions. Here is the Remind # for Nease AP/IB Bio - text @98d7a8 to 81010. Of the statements listed, the only one that logically follows is (A): in carnivores, the cecum becomes unnecessary, and starts to shorten. Mitochondria are surrounded by a double membrane. B. 9th - 12th grade . B. Hydrolytic enzymes leak into the cytoplasm causing digestion of vital proteins. Thushara Samarawickrama - Physics Teacher - LinkedIn. It's Free, Easy and Loads of fun! The Other sets by this creator. The 2020 free-response questions are available in theAP Classroom question bank. A 20-kg base satellite deploys three sub-satellites, each of which has its c. How will the equilibrium system respond if additional The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. Browse AP Biology exam prep resources including unit reviews, big ideas, free response help, and practice questions. Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant-134a. All gametes are unicellular, ruling out (D). (EU) , MKT3. After the completion of glycolysis, the rest of cellular respiration occurs in the mitochondria, given that oxygen is present. Course and Exam Description Download AP Biology Course and Exam Description C) The amount of product will increase until the reaction reaches its equilibrium point or until the substrate is used up by the reaction. Sodium ions cannot move across the cell membrane with membrane protein activity is blocked. AP Bio Unit 2: Cell Structure and Function Surface Area outside area of an object the area around the outside of a cell unit: m^2 Application in Living Things increased surface area = increased diffusion microvilli: increases absorption in intestines root hairs: increases water/nutrient absorption in plants 56% average accuracy. The lysosomal enzymes will NOT become active, since there will be no active transport of H+ ions. Candidates should submit: A 2-3 page research plan, a cover letter describing interdisciplinary research experience and how it connects to the interests and goals of the Carbon cluster, and a 1-3 page teaching statement that includes specific discussion of accomplishments and plans for promoting inclusive and equitable education, outreach, or. Use the video below to help you with the pigment FRQ AP Biology Lab 4: Plant Pigments and Photosynthesis Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. Which of the following best predicts the immediate result of adding more substrate to the reaction mixture at the point indicated by the arrow in Figure 3-3? Phycobiliproteins are a complex of accessory pigments and proteins found in cyanobacteria but not in green algae. Information Storage and Transmission 4. Question 2 Answer The correct choice is C Water is a small, polar molecule that can move across the membrane in small quantities, but it needs the help of aquaporins and other proteins to cross the membrane in larger amounts. Which of the following best describes the contents expected to be contained in one of the five control test tubes based on Figure 3-2? B) The additional pigments block light and prevent it from reaching photosynthetic organisms at greater depths, so no photosynthetic organisms can live below the surface waters containing cyanobacteria. 2023 Fiveable Inc. All rights reserved. Study Guide for Anatomy & Physiology, 9th Edition provides a . Evolution 2. the energy contained in the standing crop, the energy used by heterotrophs in respiration, the energy used by autotrophs in respiration. unit 6 progress check mcq ap lang answers. If the total Some substances can pass through there an actual cell membrane much faster than they passed through the artificial membrane in the study. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. B. Based on Figure 3-1, which of the following statements best predicts the effect that a change from a moderately acidic environment (pH near 6) to a basic environment will have on peroxidase activity? The enzyme did not appear to have a secondary or tertiary structure. D. The lysosome will repair the membrane and not die. A piston-cylinder device contains 0.85 kg of refrigerant-134a at -10^\circ{}C. The light-dependent reaction occurs in the grana and produces the ATP and NADPH necessary for the light-independent reaction. Question 1 300 seconds Q. Some proteins are involved in cell recognition, helping the cell to communicate and interact with other cells. carbon at 900C900^\circ C900C is added to the reaction system? Actual cell membranes have a variety of proteins embedded in the membrane that are absent in the artificial membrane. In an experiment, a solution of chloroplasts containing DPIP was divided among 4 tubes. , Cell size is a concern because surface area-to-volume ratios affect the ability of a biological system to obtain necessary resources, eliminate wastes, pull in or remove heat energy, and exchange materials with the environment. At high concentrations of acetylcholine, however, a large increase in the substrate concentration results in only a small increase in the reaction rate. Every AP Statistics Practice Test Available: Free and Official. The Course challenge can help you understand what you need to review. The production and secretion of proteins. C) The experiment can be repeated without guaiacol, which will reveal the effect of guaiacol on the reaction rates. Which of the following statements best justifies the researcher's claim? A. AP Biology Practice Test: Unit 7 Natural Selection. Privacy Policy ap bio unit 2 progress check MCQ 5.0 (1 review) Term 1 / 30 A certain type of specialized cell contains an unusually large amount of rough endoplasmic reticulum (ER). B) Function will be disrupted by adding the urea, but it will not be regained by removing the urea. A phospholipid has 2 parts. A) Function will be disrupted by adding the urea and regained by removing the urea. Have a test coming up? Which of the following functions is this cell type most likely specialized to perform? Another biologist alternatively hypothesizes that these types of molecules require channel and transport proteins that are embedded in the membrane in order to move across the membrane. Describe the Lewis structure of ketene (C2H2O)\left(\mathrm{C}_2 \mathrm{H}_2 \mathrm{O}\right)(C2H2O) and describe the hybridization states of the C\mathrm{C}C atoms. Start your own study with me session on our platform! The first reaction in this organelle represents the light reactions, in which the suns energy is converted to chemical energy in the form of ATP (E II). A. Get unlimited access to this and over 100,000 Super . Based on the figure which of the following statements best describes the relationship between regions 1 and 2 of the protein? Which of the graphs below best represents the predicted change in mass over time of the dialysis bag in the beaker to which albumin was added? SComplete study guide/review with practice. Ap Bio Unit 2 Practice TestStudy with Quizlet and memorize flashcards containing terms like FRQ #1: Describe the processes of fat, carbohydrate, and protein digestion and product absorption as they occur in the human mouth, stomach and small intestine. D) Function will be unaffected by the addition and removal of the urea. (C) The data on cecum length and diet are insufficient to draw conclusions about the relatedness of species, so rule out (C) and (D). Which of the following results, One hour after membrane fusion, best supports the alternative hypothesis that the cell membrane is a fluid mosaic? D) The additional pigments absorb light at wavelengths that green algae cannot absorb; this may allow cyanobacteria to capture more light energy for photosynthesis than green algae can in certain areas. AP Bio: AP Classroom Unit 2 MCQ 30 terms ashley748379302 Plus AP Biology Unit 2: Cell Structure & Function Pract 40 terms Tim_Fletcher3 Teacher AP Biology Unit 2 Test 57 terms notisabelle AP Bio MCQ Unit 2 27 terms Hufflepuff_Hamilton the system is brought to equilibrium at 900C900\circ C900C. Subcellular and organelle components are especially important to know because they pop up throughout the year. The reaction occurring in organelle B is cellular respiration, as indicated by the release of energy stored in the bonds of glucose. The valinomycin treatment caused a decrease in the activity of the mitochondria. Which of the following statements best helps justify the researcher's claim? Create your own unique website with customizable templates. B) Evidence that the earliest plants produced oxygen as a by-product of photosynthesis Based on the data from graph 3-1, scientists claim that the reproductive behavior of European flycatchers is influenced by the availability of energy sources. AP Biology Free Practice Question #2 Dichlorophenolindophenol (DPIP), an electron acceptor that changes from blue to clear when reduced, can be used to visually determine the rate of photosynthesis. 30 seconds. To do this, materials must be able to move in and out of the cell as needed, and this movement is facilitated by the plasma membrane. Work for Kaplan The average cell cycle time is greater for the root tips growing in compact sand than for the root tips To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Terms and Conditions What should a team of students do next to obtain data that are more inclusive? Energetics 3. The form of energy released in aerobic respiration is chemical energy in the form of ATP (E IV). The data here suggest that the cecum is four to five times longer in species that consume plant matter for their diets (A and D) compared to those that consume at least some meat (B and C). I_am_failing. A) pH 4 buffer solution and hydrogen peroxide only. Glycolysis is the first step in cell respiration and occurs with or without oxygen present and shows common ancestry. Unit 6 MCQ Part B, #1 Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. The AP English Language and Composition Exam includes multiple-choice and free-response questions that test essential skills covered in the course curriculum: Ap human geography. Others help to maintain the structural integrity of the membrane, providing rigidity and support. rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. (B) is the opposite of what we expect; it would be logical if it played a prominent role in digesting carbohydrates. These emerging properties are mostly due to: Question 3 Which type of chemical bond involves the transfer of electrons from one atom to another, resulting in oppositely charged ions that are attracted to each other? There are different types of transport proteins, including channels, pumps, and carriers, which work to transport molecules in different ways. C) Photosynthetic organisms use the organic molecules during photosynthesis for growth and repair. 161 plays. D) Some plasmids contain antibiotic resistance genes. A researcher claims that the incorporation of carbon dioxide into organic molecules during photosynthesis does not violate the second law of thermodynamics. of COCOCO and CO2CO_2CO2? Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. 45 Questions Show answers Question 1 30 seconds Q. AP Bio Unit 2: Cell Structure and Function Cheat Sheet by. The local atmospheric pressure is 88 kPa. Unit 2: Cells & Cellular Transport Test Practice Test Unit 3: METABOLISM AND PLANT TEST Lecture & Video REVIEWs Click for Chapter 8 REVIEW Practice Questions unit_3_-_metabolism___plants_practice_test.pdf Download File FRQ PRACTICE IS BELOW. Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. Not on this quizlet: 16 Unit 2 Population and Migration Patterns and Processes. 24 terms. 2023 Fiveable Inc. All rights reserved. Thank you for being Super. Call 1-800-KAP-TEST or email
[email protected], Contact Us A) Yeast cells produce protein kinases, which are enzymes that catalyze the transfer of phosphate groups from ATP to protein substrates. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. D) The additional pigments absorb light at wavelengths that green algae cannot absorb; this may allow cyanobacteria to capture more light energy for photosynthesis than green algae can in certain areas. The arrangement of the phospholipids in the bilayer creates a semi-permeable barrier that selectively allows certain molecules to pass through while preventing others from entering or leaving the cell. CA Privacy Policy, A. light reactions produce sugar, while the Calvin cycle produces O, D. the Calvin cycle produces both sugar and O, Test Your Skills, Take a Practice AP Biology Quiz. the amount of energy contained in one gram of fat. One of the researchers proposes using oxygen gas production to measure reaction rates. Super resource. The light-independent reaction is where the Calvin-Benson cycle takes place and carbon is fixed to make simple sugars. Which of the following data would best refute this alternative hypothesis? https://fiveable.me/Let's connect:Instagram https://www.instagram.com/thinkfiveableTwitter https://twitter.com/thinkfiveableTikTok -https://www.tiktok.com/@thinkfiveablePinterest -https://www.pinterest.com/thinkfiveable/Discord https://discord.gg/thinkfiveableStart a study session with a timer, Spotify playlists and a task list:http://fiveable.me/Subscribe for more videos:https://www.youtube.com/channel/UCxnn#apbio #apbiology #biology #ap #science #collegeboard #apush #apexam #biologyteacher #bio #StudyWithMe #Studying #Study #StudyWithFiveable #AP #CollegeBoard #StudyInspo #Education #EdTech #Students Exam Date: may 2, 2022. 2015 ap micro frq - bnaj. C) Yeast cells produce invertase, which is an enzyme that catalyzes the conversion of the disaccharide sucrose into glucose and fructose. If water potential outside of the plant cell is higher than the water potential of the plant cells, C. If water potential outside of the plant cell is lower than the water potential of the plant cells, A.changing the permeability of the cell membrane, B. the opening and closing of the chloroplast, C. changing the permeability of the cell wall, Multiple Choice Practice for Cell Structure and Function Concepts. The plasma membrane is not a static structure and is constantly undergoing changes in response to various signals and stimuli. The cecum evolved to have an important role in the digestion of protein, since it is shorter in species B and C than in species A and D. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. Chemical energy being stored in the bonds of glucose Which of the following best predicts what will happen to the lysosomal enzymes if the proteins that transport H+ ions from the cytosol into the lysosome are damaged? Hufflepuff_Hamilton. Small, nonpolar molecules like nitrogen, oxygen, and carbon dioxide can freely pass through the membrane, while larger, polar molecules and ions need the help of proteins to cross the membrane. This unit is all about the cell and parts of the cell! momentum HO of the system about the base satellite? AP_Biology_Unit_1_Chemisty_of_Life_Exam_2020_2021. C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP. A The production and secretion of steroids B a. Page 4 of 5 Please respond on separate paper, following directions from your teacher. B. Based on the data which cell is likely to be most effective In the exchange of materials? Which of the following claims about the origin of euglenid chloroplast is best supported by the 3- membrane structure of the envelope? Which of the following conclusions about increasing the number of folds in the inner mitochondrial membrane is best supported by the results of the experiment? The multiple-choice section of the AP English Language and Composition exam is the first part of the exam; you will complete it before you start to write the three essays. Plant cell because it will become turgid, C. Animal cell because it will become turgid, A. You need to answer all of the questions because a blank answer is a wrong answer. . Transport proteins are specialized proteins that are embedded in the plasma membrane and are responsible for the movement of specific molecules across the membrane. STOP! Before you look at the answers make sure you gave this practice quiz a try so you can assess your understanding of the concepts covered in unit 1. C) Female European flycatchers require energy to lay eggs, so they lay their eggs when the caterpillar biomass is maximal. When beetroot cells are placed in a solution with cellulase, the solution remains clear. 1, because testosterone is nonpolar and can diffuse through the membrane. Ap Bio Unit 5: MCQ progress check. Facts about the test: The AP Biology exam has 60 multiple choice questions and you will be given 1 hour 30 minutes to complete the section. Copyright Kaplan, Inc. All Rights Reserved. Which of the following best describes how the ratio of the density of stomata (stomata per mm^2) per CO2 concentration (ppm CO2) changes as the CO2 concentration increases? With Super, get unlimited access to this resource and over 100,000 other Super resources. Hydrolytic enzymes will be released, which will cause cell death. Others act as channels or pumps, allowing specific molecules to pass through the membrane. The researchers dissolved the enzyme in an aqueous buffer solution and added urea to the solution. A) Young European flycatchers hatch from eggs when caterpillar biomass is available for the young birds to consume and convert into energy for growth. Which of the following observations best supports the claim that mitochondria evolved from once-free-living prokaryotic cells by the process of endocytosis? Chloroplasts and some prokaryotes share similar photosynthetic reactions. In order for a cell to function properly, it's important for the internal environment to be maintained in a way that is conducive to the life and function of the cell. Which of the following mechanisms do the water molecules most likely move into the large intestine? Why? The picture is an example of. https://play.kahoot.it/#/k/9b845f6e-d42a-434e-abed-a59973d4ceda. Unit 2 Practice Test (2020) AP Biology Multiple Choice Questions (1 point each) Choose the best answer for each question and write the letter on the line provided. Cluster Hires in Carbon Electronics at NC State University in . A) The uncoupling protein in this tissue increases the production of ATP and causes more body heat to be produced to warm the animal. The movement of molecules across the plasma membrane is regulated by the hydrophobic and hydrophilic properties of the phospholipids. D) Evidence that the Cyanobacteria produced oxygen as a by-product of photosynthesis, D) Evidence that the Cyanobacteria produced oxygen as a by-product of photosynthesis. Advanced level Physics Past papers MCQ review" 1995-2020 Sinhala Medium ISBN 978-955-54899-6-6. Click the card to flip Definition 1 / 30 The production and secretion of proteins. AP Biology Unit 2: Cell Structure & Function Practice Test . A. Radiant energy in the form of photons D) Some plasmids contain antibiotic resistance genes. By PASSIVE transport from an area of LOW osmolarity to an area of HIGH osmolarity. At high temperatures, a dynamic equilibrium exists between The transport of GLUCOSE molecules against a concentration gradient. A researcher proposes a model to explain how enzyme-substrate interactions determine enzyme specificity. It originated from the incorporation of a photosynthetic prokaryote into a eukaryote cell by the TWO Endosymbiotic events. Study with Quizlet and memorize flashcards containing terms like Let f be the function given by f(x)=x2+1x+x+5. Civil Rights SAQ. . b. Which of the following observations best supports the model? A set of five additional test tubes were prepared and used as controls. 24 terms. AP Bio Unit 3 MCQ 5.0 (2 reviews) Term 1 / 20 Aminolevulinate dehydratase (ALAD) is an enzyme that relies on zinc as a coenzyme. Introduction to biological macromolecules, Properties, structure, and function of biological macromolecules, Mechanisms of transport: tonicity and osmoregulation, Cell compartmentalization and its origins, Regulation of gene expression and cell specialization, See how our course content aligns with AP Biology standards. Partner Solutions Metformin activates AMPK in liver cells but cannot cross the plasma membrane. A researcher claims that genetic variation provides organisms with the ability to survive and reproduce in different environments. Water enters the cell causing it to swell, C. Water leaves the cell causing the solution to become more hypertonic, A. Dig into the structure and function of DNA, a theme that will recur through this course. Lesson 5 - Hydrometeorological and Coastal Pr, Did the tsarist policy toward minority groups, Functions of the hypothalamus and limbic syst, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, HESI Admission assessment A&P Practice test, ELA first 9 weeks unit 1 ( point of view part). 2213, what is the current with S1S_1S1 closed? A) Organisms contain enzymes that lower the activation energies of specific chemical reactions C. determining when in the life cycle fertilization occurs. he following diagram shows energy transformations within a cell. rice paper rolls woolworths AP Biology Scoring Guide Unit 7 Progress Check: MCQ Part A 10. The plasma membrane is made of a phospholipid bilayer, composed of two layers of phospholipid molecules, with the hydrophobic tails facing inward and the hydrophilic heads facing outward. [RELATED: AP Biology Stand Alone Question Stratgies ]. Period7langhart. The reaction occurring in organelle A is photosynthesis, as indicated by the splitting of water and fixation of CO2. C. The pH of the cell will denature the hydrolytic enzymes. *The following questions were not written by CollegeBoard and although they cover information outlined in the AP Biology Course and Exam Description the formatting on the exam may be different. Create engaging Jeopardy-style quiz games in minutes or. PDF Unit 2 progress check mcq ap human geography quizlet. Identify TWO topographic . Based on the information presented, how does aldosterone most likely enter target cells? Below we provide practice questions for each type and strategies to find the correct answer in the alloted time. For your second answer, remember that efficiency is (energy output)/ (energy input). The cell is unable to complete reactions related to electron transport and ATP production. Because the question specifies that oxygen is required, the process depicted must show aerobic respiration rather than glycolysis. *The following questions were not written by CollegeBoard and although they cover information outlined in the AP Biology Course and Exam Description the formatting on the exam may be different. Water will rush into the lysosome causing it to burst. Many proteins are embedded in the membrane, and these proteins play a number of important roles in the cell. The ratio is 0.89, and the cells are LESS efficient at transferring oxygen. B) Some antibiotics inhibit protein synthesis in bacteria cells. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . Unit 2 of AP Biology covers cell structure and function. C) It changes the three-dimensional structure of the active site so that ALAD is no longer compatible with its substrate. That means it should take you around 22 minutes to complete 15 questions. C. The pH of the cell will denature the hydrolytic enzymes. The two stages of photosynthesis are the light-dependent reaction and the light-independent reaction. C) The uncoupling protein in this tissue causes an increase in the proton gradient, which causes more ATP to be produced that helps to warm the animal. AP Euro Unit 2 Quiz ProProfs Quiz. One thing that helps cells to be able to take care of different processes inside the cell is the membrane and organelles that have membranes as well. D) The total system that includes photosynthetic organisms and the Sun becomes less ordered over time. D) The amount of product will increase without stopping because the enzyme will be unchanged by the reaction. Now, heat is transferred to refrigerant-134a until the temperature is 15^\circ{}C. Question 3. AP Biology Practice Test: Unit 2 Cell Structure & Function. COVID-19 Updates B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. Cell Resp. C) Some enzymes embedded in the thylakoid membrane catalyze the hydrolysis of ATP. Scoring GuidelinesStudent Performance Q&AScoring Statistics, Sample Responses Q1Sample Responses Q2Sample Responses Q3Sample Responses Q4, Scoring GuidelinesScoring CommentaryStudent Performance Q&AScoring Statistics, Scoring GuidelinesScoring CommentaryStudent Performance Q&A, Learning Opportunities for AP Coordinators. The researchers carefully removed the urea from the solution and determined that the enzyme had the original secondary and tertiary structure again. save. C. Species A is more closely related to species D than to species B, because A and D are both herbivores. The AP biology exam assesses content from each of four big ideas for the course: 1. Subtraction of which of the following will convert gross primary productivity into net primary productivity? B) European flycatcher hatchlings begin to need energy to leave the nest only after the caterpillars have turned into pupae. A deep dive into how life on Earth originated, adapted, and flourished. Ap Bio Ch 18 Reading Guide Answers (PDF). Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions.
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