Evolution Practice Exam Unit 6 Answers


  • The endocrine system uses hormones released into the bloodstream that travel to all parts of the body. Hormones are slow acting and can affect various cells. The nervous system uses impulses to quickly send information along axon to a specific...
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  • The adrenal glands raise blood glucose levels, increase metabolic activities, constrict certain blood vessels and promote reabsorption of sodium and excretion of potassium in the kidneys. The pineal gland is involved in biological rhythms. Question...
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  • This activity provides students with opportunities to learn the abilities and understandings aligned with science as inquiry and the nature of science as described in the National Science Education Standards. Designed for grades 5 through 12, the activity requires a total of four class periods to complete. Lower grade levels might only complete the first cube and the evaluation where students design a problem based on the cube activity. Standards-Based Outcomes This activity provides all students with opportunities to develop abilities of scientific inquiry as described in the National Science Education Standards. Specifically, it enables them to: identify questions that can be answered through scientific investigations, design and conduct a scientific investigation, use appropriate tools and techniques to gather, analyze, and interpret data, develop descriptions, explanations, predictions, and models using evidence, think critically and logically to make relationship between evidence and explanations, recognize and analyze alternative explanations and predictions, and communicate scientific procedures and explanations.
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  • This activity also provides all students opportunities to develop understanding about inquiry and the nature of science as described in the National Science Education Standards. Specifically, it introduces the following concepts: Different kinds of questions suggest different kinds of scientific investigations. Current scientific knowledge and understanding guide scientific investigations. Technology used to gather data enhances accuracy and allows scientists to analyze and quantify results of investigations. Scientific explanations emphasize evidence, have logically consistent arguments, and use scientific principles, models, and theories. Science distinguishes itself from other ways of knowing and from other bodies of knowledge through the use of empirical standards, logical arguments, and skepticism, as scientists strive for the best possible explanations about the natural world. Science Background for Teachers The pursuit of scientific explanations often begins with a question about a natural phenomenon.
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  • Science is a way of developing answers, or improving explanations, for observations or events in the natural world. The scientific question can emerge from a child's curiosity about where the dinosaurs went or why the sky is blue. Or the question can extend scientists' inquiries into the process of extinction or the chemistry of ozone depletion. Once the question is asked, a process of scientific inquiry begins, and there eventually may be an answer or a proposed explanation. Critical aspects of science include curiosity and the freedom to pursue that curiosity. Other attitudes and habits of mind that characterize scientific inquiry and the activities of scientists include intelligence, honesty, skepticism, tolerance for ambiguity, openness to Page 67 Share Cite Suggested Citation:"Chapter 6: Activities for Teaching About Evolution and the Nature of Science.
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  • Teaching About Evolution and the Nature of Science. Scientific inquiry includes systematic approaches to observing, collecting information, identifying significant variables, formulating and testing hypotheses, and taking precise, accurate, and reliable measurements. Understanding and designing experiments are also part of the inquiry process. Scientific explanations are more than the results of collecting and organizing data. Scientists also engage in important processes such as constructing laws, elaborating models, and developing hypotheses based on data. These processes extend, clarify, and unite the observations and data and, very importantly, develop deeper and broader explanations.
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  • Examples include the taxonomy of organisms, the periodic table of the elements, and theories of common descent and natural selection. One characteristic of science is that many explanations continually change. Two types of changes occur in scientific explanations: new explanations are developed, and old explanations are modified. Just because someone asks a question about an object, organism, or event in nature does not necessarily mean that person is pursuing a scientific explanation. Among the conditions that must be met to make explanations scientific are the following: Scientific explanations are based on empirical observations or experiments.
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  • The appeal to authority as a valid explanation does not meet the requirements of science. Observations are based on sense experiences or on an extension of the senses through technology. Scientific explanations are made public. Scientists make presentations at scientific meetings or publish in professional journals, making knowledge public and available to other scientists. Scientific explanations are tentative. Explanations can and do change. There are no scientific truths in an absolute sense.
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  • Scientific explanations are historical. Past explanations are the basis for contemporary explanations, and those, in turn, are the basis for future explanations. Scientific explanations are probabilistic. The statistical view of nature is evident implicitly or explicitly when stating scientific predictions of phenomena or explaining the likelihood of events in actual situations. Scientific explanations assume cause-effect relationships. Much of science is directed toward determining causal relationships and developing explanations for interactions and linkages between objects, organisms, and events. Distinctions among causality, correlation, coincidence, and contingency separate science from pseudoscience.
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  • Scientific explanations are limited. Scientific explanations sometimes are limited by technology, for example, the resolving power of microscopes and telescopes. New technologies can result in new fields of inquiry or extend current areas of study. The interactions between technology and advances in molecular biology and the role of technology in planetary explorations serve as examples. Science cannot answer all questions. Some questions are simply beyond the parameters of science. Many questions involving the meaning of life, ethics, and theology are examples of questions that science cannot answer. Refer to the National Science Education Standards for Science as Inquiry pages for grades and pages for grades , History and Nature of Science Standards pages for grades and pages for grades , and Unifying Concepts and Processes pages Chapter 3 of this document also contains a discussion of the nature of science.
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  • Materials and Equipment 1 cube for each group of four students black-line masters are provided. Note: you may wish to complete the first portion of the activity as a demonstration for the class. If so, construct one large cube using a cardboard box. The sides should have the same numbers and markings as the black-line master. Instructional Strategy Engage Begin by asking the class to tell you what they know about how scientists do their work.
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  • How would they describe a scientific investigation? This is also an opportunity for you to assess their current understanding of science. Accept student answers and record key ideas on the overhead or chalkboard. Explore The first cube activity can be done as a demonstration if you construct a large cube and place it in the center of the room. First, have the students form groups of three or four. Place the cubes in the center of the table where the students are working.
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  • Tell the students that they will have to answer the question by proposing an explanation, and that they will have to convince you and other students that their answer is based on evidence. Evidence refers to observations the group can make about the visible sides of the cube. Allow the students time to explore the cube and to develop answers to their question.
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  • Some observations or statements of fact that the students may make include: The cube has six sides. The cube has five exposed sides. The numbers and dots are black. The exposed sides have numbers 1, 3, 4, 5, and 6. The opposite sides add up to seven. The even-numbered sides are shaded. The odd-numbered sides are white. Ask the students to use their observations the data to propose an answer to the question: What is on the bottom of the cube?
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  • The student groups should be able to make a statement such as: We conclude there is a 2 on the bottom. Students should present their reasoning for this conclusion. For example, they might base their conclusion on the observation that the exposed sides are 1, 3, 4, 5, and 6, and because 2 is missing from the sequence, they conclude it is on the bottom. Use this opportunity to have the students develop the idea that combining two different but logically related observations creates a stronger explanation. If done as a demonstration, you might put the cube away without showing the bottom or allowing students to dismantle it.
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  • Explain that scientists often are uncertain about their proposed answers, and often have no way of knowing the absolute answer to a scientific question. Examples such as the exact ages of stars and the reasons for the extinction of prehistoric organisms will support the point. Explain Begin the class period with an explanation of how the activity simulates scientific inquiry and provides a model for science. Structure the discussion so students make the connections between their experiences with the cube and the key points understandings you wish to develop. Key points from the Standards include the following: Science originates in questions about the world. Science uses observations to construct explanations answers to the questions. The more observations you had that supported your proposed explanation, the stronger your explanation, even if you could not confirm the answer by examining the bottom of the cube. Scientists make their explanations public through presentations at professional meetings and journals.
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  • We have links to all of the best online AP Biology practice exams. These resources will provide thousands of challenging practice questions to work through. Choose from the listing below to get started with your test prep right now! These are challenging online quizzes with answers and explanations. One of the best free resources available! Varsity Tutors A huge set of flashcards with over 2, practice questions! Questions are sorted by topic and include a wide variety of bio topics as well as supporting chemistry concepts.
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  • Biology Mader 8th Edition Practice quizzes for each of the 50 chapters. Does a great job of covering the most important math concepts. Includes AP Biology multiple choice, grid-ins, and free response questions. Be sure to review this one! Includes answers for multiple choice along with thorough explanations for the essay questions. These are some very challenging questions that are great for your exam prep. Biology Mader 10th Edition.
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  • We have created a study plan that will help you crush your AP Biology exam. We will continue to update this guide with more information about the exams, as well as helpful resources to help you score that 5. Create a Fiveable account and join our Discord to stay involved in all things AP exams! They would instead be asked to assess questions with graphs within them. When is the AP Biology exam and how do I take it?
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  • Additionally, create your schedule ahead of time so that you can connect with other students instead of just studying alone! Join our Discord channel to talk to real students just like you studying for this exam. We have TAs in each subject channel to support you this Spring and tons of free events and pep talks. Finally, check out our live Cram events so that you can review for the AP Bio exam with a rockstar teacher and study socially among other students.
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  • Pre-work: set up your study environment Before we begin, take some time to get organized. Make sure you have a designated place at home to study. Somewhere you can keep all of your materials, where you can focus on learning, and where you are comfortable. Spend some time prepping the space with everything you need and you can even let others in the family know that this is your study space. Get your notebook, textbook, prep books, or whatever other physical materials you have. Also, create a space for you to keep track of review. Start a new section in your notebook to take notes or start a Google Doc to keep track of your notes. Get yourself set up! The hardest part about studying from home is sticking to a routine. Decide on one hour every day that you can dedicate to studying. This can be any time of the day, whatever works best for you. Set a timer on your phone for that time and really try to stick to it.
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  • The routine will help you stay on track. How will you hold yourself accountable to this study plan? You may or may not have a teacher or rules set up to help you stay on track, so you need to set some for yourself. First set your goal. This could be studying for x number of hours or getting through a unit. Then, create a reward for yourself. If you reach your goal, then x. This will help stay focused! There are thousands of students all over the world who are preparing for their AP exams just like you! Join our Discord channel to chat, ask questions, and meet other students who are also studying for the spring exams. You can even build study groups and review material together! The key elements are named, macromolecules are defined, and the characteristics of the chemical contribution to life are laid out.
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  • They should perform better in modern browsers and adapt better to mobile devices. Thanks to the authors of the HotPotatoes program for making this possible! I have also created my first new biology review activities in years. They are the first of many that I will be producing for Biology. These activities will use the iSpring format that I have used extensively with my newest Chemistry reviews. These are not graded assignments. They are intended only as practice of concepts and vocabulary that are essential to your success in this course. Please contact me if you find errors in these documents.
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  • Each time you reload the activity, the problems will be in a different order, and the answers will be reshuffled! Most of these activities will launch in a new browser window. Unit 1 - Cell Biology Animal Cell Organelles - Identify organelles on a diagram Animal Cell Organelles 2 - This is a second, different diagram on which you identify animal cell organelles Organelle Function - Functions of organelles Review of Eukaryotic Organelles - One activity summarizes identification and function of organelles in animal and plant cells.
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  • Mechanical barriers Which of the following does not describe an adaptive radiation? Many species of insect evolved quickly after the development of wings in a common ancestor B. All of the species of lemur on a particular island have a common ancestor C. The movement of humans to different parts of the world has led to many different populations that all came from one ancestor D. Darwin's finches are all came from a single colonizing species E. An island in New Guinea has many similar species of frog that are different colors not necessarily from the same ancestor Which of the following is not an adaptive zone? The development of lungs allowed the evolution of terrestrial animals B. Extinction of the dinosaurs allowed mammals to evolve C. The formation of a new island D. A predator goes extinct E. These are all examples of adaptive zones Similar fossils have been found in Ghana and Brazil.
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  • This is most likely because: A. The species swam from Ghana to Brazil B. These fossils are probably from the time of Pangaea C. The species of Ghana and Brazil are similar today D. Ghana and Brazil have similar environments E. The fossils are probably birds that migrate Analogous, homologous.
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  • Science has good answers to these questions, answers that draw on the evidence supporting evolution and on the nature of science. This chapter presents short answers to some of the most commonly asked questions. Definitions What is evolution? Evolution in the broadest sense explains that what we see today is different from what existed in the past. Galaxies, stars, the solar system, and earth have changed through time, and so has life on earth. Biological evolution concerns changes in living things during the history of life on earth. It explains that living things share common ancestors. Over time, evolutionary change gives rise to new species. Darwin called this process "descent with modification," and it remains a good definition of biological evolution today. What is "creation science"?
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  • The ideas of "creation science" derive from the conviction that God created the universe—including humans and other living things—all at once in the relatively recent past. However, scientists from many fields have examined these ideas and have found them to be scientifically insupportable. For example, evidence for a very young earth is incompatible with many different methods of establishing the age of rocks. Furthermore, because the basic proposals of creation science are not subject to test and verification, these ideas do not meet the criteria for science.
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