Mcq On Speciation


All of the above. e) relative number of visible offspring. Just click on their raised hands! Macroevolution. A geographically continuous population has a gene pool that is relatively homogeneous. Biological species concept-- "Species are groups of actually or potentially interbreeding populations, which are reproductively isolated from other such groups. 10-10 Speciation and Reproductive Isolation Date Due: 07/29/2019 18-22 Multiple-Choice Questions Date Due: 08/03/2019. Example each human baby is different,n. feeding response d. (The test serves as a backup for the answer sheet. 1 Which, if any, of the following statements is false? a) Most of the inherited changes in our DNA arise because of exposure to extracellular. Evolution And Classification. If you're having any problems, or would like to give some feedback, we'd love to hear from you. ICP-MS (inductively coupled plasma-mass-spectrometry) is a technique to determine low-concentrations (range: ppb = parts per billion = µg/l) and ultra-low-concentrations of elements (range: ptt = parts per trillion = ng/l). Theories of Evolution MCQ (Multiple Choice Questions and Answers) Q1. This species probably came to the Galapagos on cargo. Taking samples of information can help ease these costs because it is often impractical to collect all the data. Squirrel species on opposite sides of the Grand Canyon provide an example of: a. anagenesis. Some biologists study speciation, some study phylogeny. Species diversity is a measurement of species richness and species evenness. Taking samples of information can help ease these costs because it is often impractical to collect all the data. Practice MCQ Questions and answers on Basic General Knowledge-GK. Welcome to the AP Biology Lecture Notes page. speciation fossil finds macro evolution mass extinctions. In Darwin's theory, natural selection is the survival of the fittest and removal of the unfit. If your passion …. Catastrophism, meaning the regular occurrence of geological or meteorological disturbances. Write only the correct answer in the Answer Book. Don't make. How many pairs of chromosomes do human beings have, specify the types of chromosomes also?. A mutation, which may arise during replication and/or recombination, is a permanent change in the nucleotide sequence of DNA. prepare for future conditions. Speciation cannot occur without geographic isolation. Match each terms relating to mutational processes listed below with the best statement. 1 Multiple-Choice Questions. Harrison, R. Here we are providing you with topic wise MCQs helping you to learn the topic during your preparation itself. Free downloadable chapter wise NCERT solutions for class 10 Science in PDF format to help students in homework and score good marks in test and exams. It is designed for students of higher medical educational establishments on a medical speciality. Quiz *Theme/Title: Animal Adaptations * Description/Instructions ; For middle grades. Theories of Evolution MCQ (Multiple Choice Questions and Answers) Q1. Raymond in pdf. Learning Objectives. You’ll do hands-on laboratory work to investigate natural phenomena. Biology 20 Review Questions These questions are not due, and are not for marks. The genus can be divided into two species (S. INTRODUCTION. To help you revise respiration, here is a short video; Deadlines MCQ on ATP and Respiration – Tuesday 3rd September. Although not all colleges and universities require SAT subject tests for admission, some do require them for specific majors or offer course credit if you score well enough. Name: _____ ID: A 2 Questions 1-12. Geographical isolation of population caused by various types of barriers such as mountain ranges, rivers and seas. An interactive trivia show designed for your whole organization to participate in. Tracing Evolutionary Relationships Notes PPT Video. Each question carries 2 marks without any NEGATIVE marking for the wrong answer. Genetics and Genomics Chapter 4 Questions Multiple Choice Questions Question 4. Lower Simon Fraser University Contents 1 Proton donor-acceptor equilibria 4 1. A response will appear in the window below the question to let you know if you are correct. 1 Course introduction Elemental analysis Introduction to elemental analysis 1 Spot tests. Natural Selection for Kids - Interesting videos, lessons, quiz games, interactive diagrams, presentations and activities on natural selection. Create your own multiple choice test. Which of the following would cause microevolution? mutations gene flow inbreeding founder's effect all of these 10. The correct answer for each multiple‐choice question is worth one point. It consists of a series of PowerPoint slides (~2MB) punctuated by multiple-choice questions that students respond to using their clickers. Species : A group of similar individuals within a population that can interbreed and produce fertile offspring. In this article, I've compiled the best FREE online IB Biology study guides (including IB Biology Notes and IB Biology Revision) into one resource and provided you with some IB Biology practice questions. What were the typical ideas of the age of the earth & evolution before Darwin? 2. Sympatric speciation is when one species evolves in to two. Hi, does anyone know where i can get free mark schemes for savemyexams aqa bio and chem? Thanks. This week’s Evolution 101 post is by an interdisciplinary group of BEACONites, all of whom rely on the principles of natural selection in their research: MSU graduate student Nikki Cavalieri (Zoology), MSU postdoc Prakarn Unachak (Evolutionary Computation), and NC A&T graduate student Patrick Wanko (Industrial & Systems Engineering). Key Terms Quiz Answer the following multiple choice questions which relate to the key terms in this chapter. Incorrect answer or any combinations of more than one answer will fetch — lh mark. A team of scientists has now shed light on the. e) relative number of visible offspring. 94 (1) Updated resources. In postulating the theory of evolution by natural selection Dawwin was greatly influenced by Mutation theory of Hugo de Vries Lamarck’s theory of accquired characters Malthus idea of population control Environmental factors Answer:3 Q2. Science and society mcq questions 1. Topics include the nature and functioning of the genetic message, the mechanics of inheritance, developmental and quantitative genetics, genes in populations, conservation and ecological genetics, human behavioural genetics and the significance of human genetic variation, genetics in larger evolutionary patterns, the origin of life, speciation. Our new AS Level in Biology A enables students to develop essential knowledge and understanding of different areas of the subject and how they relate to one another, and an appreciation of scientific methods, as well as practical, mathematical, and problem-solving skills. Covers all topics of ecology, total 142 MCQs in 13 Pages. Sample Multiple Choice Questions Complete the multiple choice questions to review this unit. MCQs Molecular Genetics; Molecular Genetics MCQs; MCQS Bioethics & Biosafety MCQs Quizlet bank; Fine Arts MCQs Solved MCQs for Lecturer Jobs Test; MCQs on Direct Online Marketing MCQs; database management system questions and answers DB-MCQS 3; MCQS for ppsc network administrator and manager… English MCQs for public service commission exam. D) The foetus is female. bongori), based on their phenotypic profile. For example, sex and recombination may have evolved because of a coevolutionary arms race. Se hela profilen på LinkedIn, upptäck Davids kontakter och hitta jobb på liknande företag. EV HSC Biology 2nd Paper MCQ Question With Answer. _____ assigning features to a taxon 3. Allopatric speciation, with a collapsing land bridge, might have occurred. The large body of theory on speciation with gene flow has brought to light fundamental differences in the effects of two types of mating rules on speciation. Difference between animals and plants. This is the process of speciation, which can be driven by a number of different mechanisms. Biology one of the important subject that features diagrams, descriptions, explanation of relations and differences. Angiosperms and Pteridophytes have very high numbers of polyploid species in nature. Just click on. MissHanson AQA GCSE Science Biology Revision 9-1 $ 4. Pk you can follow these instructions. Contents 1 Introduction 5 1. Speciation & Evolution Chapter Exam Instructions. At any one time, most of the acid will be present in the solution as un-ionised molecules. Speciation : it is the process of formation of new species. You are responsible for all the material covered in the lectures. No, this was not the thrust of Ekman's research. Multiple Choice Questions (MCQs)-Pg-265. PRATAP R July 21, 2015 Reply. SPECIATION is origin of new species. changes in the genetic makeup of a population from one generation to the next b. Get your free examples of research papers and essays on Messengers here. a) Genetically related populations inhabit widely separated geographical area. To help you revise respiration, here is a short video; Deadlines MCQ on ATP and Respiration – Tuesday 3rd September. prepare for future conditions. Multiple Choice Solved Objective practice questions (Practice-Test 5 of 104) for Competitive Exams for botany subject as per the revised syllabus for year 2019. An interactive trivia show designed for your whole organization to participate in. Molecular clock definition, the changes in the amino acid sequences of proteins that take place during evolution and speciation, and from which the dates of branchings of taxonomic groups can be deduced. Write only the correct answer in the Answer Book. F-test or Variance Ratio Test 3. back to questions. Which of the following factors makes life on earth possible? a. To assist …. The exam consists of multiple-choice questions similar to those in the quizzes. 10-10 Speciation and Reproductive Isolation Date Due: 07/29/2019 18-22 Multiple-Choice Questions Date Due: 08/03/2019. MissHanson AQA GCSE Science Biology Revision 9-1 $ 4. All of the following are density-dependent factors that limit animal populations EXCEPT (90:08) A. NAIMMCQ The Origin of Species Speciation Speciation A) occurs at such a slow pace that no one has ever observed the emergence of new species. Speciation: An illustrated introduction This video illustrates the speciation process in birds to help explain the basis of earth's biodiversity. ECOLOGY MCQ-04 (Biology / Life Sciences MCQ: Multiple Choice Questions in Ecology) MCQ on Environmental Sciences (Sample/Model/Practice Questions for CSIR JRF/NET Life Science Examination, ICMR JRF Exam, DBT BET JRF Exam, GATE BT and XL Exam, ICAR JRF NE Exam, PG Entrance Exam, JAM Exam, GS Biology Exam and Medical Entrance Exam). Disrupting the Evolutionary Potential for Speciation. Ecology and Evolution: Questions 1-6 of 9. Sexual selection, theory in postulating that the evolution of certain conspicuous physical traits—such as pronounced coloration, increased size, or striking adornments—in animals may grant the possessors of these traits greater success in obtaining mates. Life Sciences P1 & P2 Learner’s Guide Exam School October 2012 www. 7 Genetics, populations, evolution and ecosystems (A-level only) The theory of evolution underpins modern Biology. Objectives: To compare methods for defining the population at risk from a point source of air pollution. Quiz *Theme/Title: Evolution * Description/Instructions ; The theory of evolution describes how life on earth developed, beginning 3. Speciation Notes PPT Video. Background Development of the Major Field Tests began in 1989,. In allopatric speciation, populations are separated by geographical barriers and reproductive isolation is easy to maintain due to the physical separation of the populations. For example, in the case of dilute ethanoic acid, the solution contains about 99% of ethanoic acid molecules - at any instant, only about 1% have actually ionised. (ii) Genetic drift : It is the random change in the frequency of alleles (gene pair) in a population over successive generations. CAPE Unit 1 Chemistry Multiple Choice Questions. This is the currently selected item. Questions and Answers on Science: Biology Terminology (Set 5) consists of 10 MCQ to study Biological terms which are important for various competitive examinations like IAS, PSC, SSC, Railway etc. It should be noted here that, garments specification sheet can be corrected after developing sample. In a study on the effects. This quiz is over specific adaptations animals have developed over time. Background Development of the Major Field Tests began in 1989,. TExES Science 7-12 Ultimate Guide and Practice Test Take the Science 7-12 Practice Test Preparing to take the TExES Science 7-12? Awesome! You’ve found the right page. Distinguish between microevolution and macroevolution. Here will be. Questions 2 through 4 are short free-response questions that should require about 6 minutes each to answer. All these concepts are covered in the list of biology articles for the easier finding. Heredity and Evolution. Adaptive Radiation Modified from an image at Market Business News. You simply select the questions you need for semester 1 or semester 2 of your class. 4 FOREWORD This booklet represents the Performance Objectives (POs) for the Soil Science Professional Practice Examination. The test consists of approximately 188 five-choice questions, a number of which are grouped in sets toward the end of the test and are based on descriptions of laboratory and field situations, diagrams or experimental results. Mark the letter of your choice then click on the next button. 5 billion years ago. KAR and TMB bind to receptor proteins in a seed. Each practice exam matches this year's exam specifications and includes scoring guidelines and scoring worksheets. Online Programming MCQ Test for Interviews, GATE Preparation, Core Java, Database, C Language, C++, Operating System, Computer Networks, Servlet, JSP, Engineering. urinary duct. If two or more species occupy overlapping areas, they are (a) sibling (b) allochronic (c) keystone (d) sympatric 2. Each example contains interactive simulations that force students to apply concepts to solve problems. Your score will be posted as soon as you are done with the quiz. If you get the answer right, you get immediate positive feedback. Match each terms relating to mutational processes listed below with the best statement. The size of populations fluctuates over time. Genetic Drift C. Clear and accessible assessments. 11C Short Term Changes Effect A long-term environmental changes are ice age, deforestation, urbanization, Earth’s orbit, Sun’s intensity, Global Warming, radioactive waste/pollution, extinction of species this. Adaptive Landscape. kin selection 2. , sample mean ± 2 SEM). The examination is closed book. Your active participation in class and use of this Study Guide can go a long way toward helping you achieve success in biology. COMPUTER BASICS Seema Sirpal Delhi University Computer Centre. includes genetic changes within populations and the appearance of new species. Download a PDF of free latest Sample questions with solutions for Class 10, Biology, CBSE- Heredity and Evolution. genetic diversity. For each of (i), (ii) and (iii), give examples. CHEMICAL SPECIATION OF HEAVY METALS THE NEED FOR SPECIATION (mostly for medical purposes or to trace sources of contaminants) DISTRIBUTION SPECIATION – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow. c) adaptation to the environment. MCQ on Evolution I 1. Clear and accessible assessments. Selection can split a species into two reproduc-tively isolated. There are two major types of speciation: Allopatric Speciation. sexual selection. Speciation and extinction determine biodiversity 130 Evolution shapes ecological niches and determines species distributions 134 WORKING TOWARD SUSTAINABILITY Buying the Oceans? 139 PREPARING FOR THE AP EXAM 141 Multiple-Choice Questions 141 Free-Response Questions 142 Measuring Your Impact: The True Cost of a Green Lawn 143. Allopatric speciation When a species split into two group or more geographically isolated population, natural selection to cause genetic drift as mutations arise within populations. Autoecology deals with a) Ecology of species b) Ecology of many species c) Ecology of community …. Class 12 Important Questions for Biology – Biodiversity and Conservation NCERT Exemplar Class 12 Biology is very important resource for students preparing for XII Board Examination. 1 Course introduction Elemental analysis Introduction to elemental analysis 1 Spot tests. OBJECTIVES • To learn the different techniques used to count the number of microorganisms in a sample. Migration D. Reason: It is the primary mode of speciation. Be sure to read the feedback. The types are: 1. Second, although the two. D) an event that has occurred only a few times in the history of the planet. Crop improvement, the engineering of plants for the benefit of humanity, is as old as agriculture itself. enterica and S. MCQ on Evolution I 1. those with small populations. We can work on What is speciation in general? Briefly describe the difference between allopatric speciation and sympatric speciation. In a study of selection, male and female guppies from genetically diverse populations were. The case is designed for an introductory biology course in which personal response systems, or “clickers,” are used. b) number of matings. Learn with SAE. Squirrel species on opposite sides of the Grand Canyon provide an example of: a. Life Sciences P1 & P2 Learner’s Guide Exam School October 2012 www. Background Development of the Major Field Tests began in 1989,. Also please do not say I shouldn't ask this question, or it's stupid. OBJECTIVES • To learn the different techniques used to count the number of microorganisms in a sample. In 1995, the environment Agency was set up. Biology Question Bank - 99 MCQs on "Evolution" - Answered! Article shared by. Get Revision Notes of Class 10th Science Chapter 9 Heredity and evolution to score good marks in your Exams. Evolution Practice Test. Biodiversity definition is - biological diversity in an environment as indicated by numbers of different species of plants and animals. All topics of study were updated October 2018. Species & speciation. Practicing 1430 MCQ objective questions current affairs on Library & Information Science. Which of the following genotypes is possible in the offspring of a homozygous male with blood group A. In this lesson, Ritu Rattewal shares his various preparation strategy along with examples which will. Biological species concept-- "Species are groups of actually or potentially interbreeding populations, which are reproductively isolated from other such groups. Biology one of the important subject that features diagrams, descriptions, explanation of relations and differences. Correct! Wrong! Planaria is a fresh water flatworm. Be sure to read the feedback. Phyletic speciation is a process of gradual change in a single population. "Edcite Schools has made giving Common Formative Assessments and collecting the data from them so much easier and quicker! The continuous updates and improvements in the reports give teachers timely access to the data they need to make decisions about instruction for different groups. Multiple choice questions for evolution JavaScript performance comparison. Lesson 15 • Jun 30 • 1 h 16 m + See all lessons. Play attention to the command terms, so you actually address what the question is asking. Multiple Choice. Each lesson has one quiz of multiple-choice questions that have a single correct answer, one quiz of multiple-choice questions that might have multiple correct answers, one quiz of true-or-false questions, and one quiz containing matching, sorting, or fill-in-the-blank questions. (a) Speciation: The process by which new species develop from the existing species is known as speciation. I am a woman. Record your responses on a sheet of paper and. The intent is not to provide an exhaustive list of analytical methods. It should be noted here that, garments specification sheet can be corrected after developing sample. Anushka at. If you're seeing this message, it means we're having trouble loading external resources on our website. From the 1800's to 1950's the number of all black moths in the population was rising because: a. These are single nucleotide changes. Once you have selected which question you will respond to, begin writing an outline to your response to each part. (KAR) and trimethylbutenolides (TMB) are water-soluble compounds found in smoke that are deposited in the soil as a result of a fire. Get your free examples of research papers and essays on Messengers here. With any AP Environmental Science practice exam from before 2020, here's what you must do to make the test as relevant and as helpful as possible: Answer 80 multiple-choice questions (not 100) in 90 minutes; Understand that multiple-choice questions now only have four answer choices (not five). FACTORS-(i)natural selection (ii) genetic drift (iii)reproductive isolation (iv)mutation 15. This informative talk can be tailor made to suit the host organization's interests. Allopatric speciation (16) In the. Species and speciation multiple choice questions & answers (MCQs): MCQ, mitosis cytokinesis and cell cycle MCQ, skin of jawless fishes MCQ, organization of dna and protein MCQ, dna genetic material MCQ, species and speciation MCQs with answers for online university. What is the appropriate term for such a structure? a) anatomical relics b) homologous structures c) analogous structures d) pleitropic structures e) vestigial structures. Study the hint carefully, because after a random interval, you’ll get the question again. All topics of study were updated October 2018. If you get it wrong, you get a hint about the correct answer. sympatric speciation. In allopatric speciation, geographically separated populations develop into different species. Other Results for Pogil Answer Key Selection And Speciation: 03121701 - kimberliejane. anagenesis. The process of evolutions results in biological variation and diversity in organisms, molecules, and species. Multiple Choice Questions (MCQs)-Pg-265. classification d. This is the process of speciation, which can be driven by a number of different mechanisms. Programs include NGSS Biology, AP Biology, Anatomy & Physiology, Environmental Science and International Baccalaureate. ____ 17) In the wild, male house finches (Carpodus mexicanus) vary considerably in the amount of red pigmentation in their head and throat feathers, with colors ranging from pale yellow to bright red. ECOLOGY MCQ-04 (Biology / Life Sciences MCQ: Multiple Choice Questions in Ecology) MCQ on Environmental Sciences (Sample/Model/Practice Questions for CSIR JRF/NET Life Science Examination, ICMR JRF Exam, DBT BET JRF Exam, GATE BT and XL Exam, ICAR JRF NE Exam, PG Entrance Exam, JAM Exam, GS Biology Exam and Medical Entrance Exam). Such polymorphism plays an important role in evolution and speciation. description c. the amount of oxygen present in the atmosphere is not too little or too much. D) an event that has occurred only a few times in the history of the planet. What level of biodiversity is most commonly equated with the overall concept of biodiversity? a. Micro Evolution: It is the evolution which is on a small scale. Multiple Choice. Genetics and Evolution. Assessment. MCQs Molecular Genetics; Molecular Genetics MCQs; MCQS Bioethics & Biosafety MCQs Quizlet bank; Fine Arts MCQs Solved MCQs for Lecturer Jobs Test; MCQs on Direct Online Marketing MCQs; database management system questions and answers DB-MCQS 3; MCQS for ppsc network administrator and manager… English MCQs for public service commission exam. 7 Evolution MCQs. The inheritance characteristics may be morphological/ anatomical/ physiological/ reproduction are also known as a) Heredity b) Traits bil c) Variation d) Speciation. Ecology and Evolution: Questions 1-6 of 9. Methods: Environmental and mathematical. It is useful for competitive exam like NTA NET UPSC, Civil Services and many more. Species and Speciation. B) occurs only by the accumulation of genetic change over vast expanses of time. Speciation refers to the evolutionary process by which new biological species arise. Hello, I have a couple questions I need answered. Important Theory / Shots Trick on basic general knowledge Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12. The POs presented are the minimal professional competencies needed by. Earthwatch volunteers played a key role in this study, helping researchers to monitor changes in Darwin’s finches on two Galapagos Islands. Which of the following factors makes life on earth possible? a. Disruptive selection can be important in the early stages of speciation. Students should have a good understanding of both concepts before beginning the exercise. Your score will be posted as soon as you are done with the quiz. Download a PDF of free latest Sample questions with solutions for Class 10, Biology, CBSE- Heredity and Evolution. This post was most recently updated on April 30th, 2019. They have to compete for limited resources. In most of the cases, the plant is the same or nearby plant. Correct! Wrong! Planaria is a fresh water flatworm. A diploid individual cannot interbreed with tetraploid individual leading to reproductive isolation. Multiple choice questions for evolution JavaScript performance comparison. 4 FOREWORD This booklet represents the Performance Objectives (POs) for the Soil Science Professional Practice Examination. Sometimes in the. The book is designed to demonstrate biology concepts and to promote scientific literacy. A Table of Specifications is a blueprint for an objective selected response assessment. respond to present conditions b. It is a Gram-negative bacilli, motile and non-lactose fermenter. 2015 2015 Mains Challenge – 1 – Sept 04 2015 Mains Challenge – 2 – Sept 05 2015 Mains Challenge – 3 – Sept 07 2015 Mains Challenge – 4 Sept 08 2015 Mains Challenge – 5 Sept 09 2015 Mains Challenge – 6 Sept 10 2015 Mains Challenge – 7: Sept 11 2015 Mains Challenge-8: Sept 14 2015 … Continue reading "ANTHROPOLOGY – DAILY ANSWER WRITING CHALLENGE". However, the questions often have two answers that could, at first glance, be correct. Some species are important disease vectors, some are keystone members of ecosystems, some are agricultural pests, some are university studentsthe list goes on and on. bongori), based on their phenotypic profile. A biology exam preparation portal. EVOLUTION- MCQ 1. _____ Organisms existing today are the result of evolutionary processes that have occurred over millions of years. The first exam is a closed-book, proctored exam. Sinauer Associates, Inc. Doubt Clearing Session. Correct! Wrong! Cretaceous period of mesozoic era was the time of extinction of giant reptiles like dinosaurs. The _____ species concept describes a group of interbreeding natural populations that do not successfully mate/reproduce with other such groups. antibiotic. Biology, is designed to help you acquire the skills that will allow you to study biology more effectively. Members of the same species which are capable of interbreeding is best described as a(n): community population ecosystem biosphere intron. niger loaded on activated charcoal has been applied as bioadsorbent for preconcentration step. Finally, the reduced viability of hybrid offspring indicates that the two populations are distinct species. In addition to the allergen screens offered (see Allergen Testing Section), EMSL can provide quality analysis for GMO Testing, Pasta Quality, Dairy Residue, Shrimp and Seafood, and a variety of Meat Speciation options. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Which of the following items of evidence supports the view that change occurs within species? a. In the diagram above, the relationship between Center and Course together, is acting as an Entity, which is in relationship with another entity Visitor. Biology Question Bank - 99 MCQs on "Evolution" - Answered! Article shared by. This prevents breeding with members of other species and hence helps in speciation. A(n) _____ provides storage for germ cells (such as seeds or DNA) of. Essay, 10 pages I just stumbled upon your site as Facebook ad and said I would give you people a try. If inbreeding depression/genetic drift is the culprit, genetic diversity (e. antibiotic. Biology one of the important subject that features diagrams, descriptions, explanation of relations and differences. COMPULSORY QUESTION. For each of (i), (ii) and (iii), give examples. ____ 1) Catastrophism, meaning the regular occurrence of geological or meteorological disturbances. These MCQ's are extremely critical for all CBSE students to score better marks. Parapatric speciation occurs with limited interbreeding between two groups. Genetic variation, gene flow, and new species. Chapter 22 Active Reading Guide The Origin of Species Overview 1. Key Terms Quiz Answer the following multiple choice questions which relate to the key terms in this chapter. back to questions. It is more common in plants than animals. Polyploidy is an example of sympatric speciation. Speciation is a process, phylogeny is a pattern. High-quality assessments: Unbeatable support. sexual selection. , sample mean ± 2 SEM). Specimen question papers are available for National 5, Higher and Advanced Higher qualifications. C) The foetus is male. Reflect on what you have just learned and see how well you can respond. speciation#distressing#to#proponentsof#the#phylogeneticspeciesconcept?# Study Guide Lectures 24 and 25 Parapatric and Sympatric Speciation, Hybridization Sp 17. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails.