SBI 3U1 Exam Review January 2025 PDF
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2025
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This document is a comprehensive review of Biology (SBI 3U1) topics for an exam scheduled on January 23rd, 2025. It includes summaries of chapters on genetics, evolutionary concepts, and diversity. It's a helpful resource for reviewing key concepts.
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Exam Study Guide SBI 3U1-01 Your exam is on Thursday January 23rd, 2025. You are to be in room 258 PROMPTLY at 8:45 am. ALL CELL PHONES and/or SCHOOL BAGS will be placed on the back bench for the duration of the examination. P...
Exam Study Guide SBI 3U1-01 Your exam is on Thursday January 23rd, 2025. You are to be in room 258 PROMPTLY at 8:45 am. ALL CELL PHONES and/or SCHOOL BAGS will be placed on the back bench for the duration of the examination. Please do NOT wear a smart watch or bring a pencil case as they will NOT be permitted. If you do, you will be asked to place said items on the back bench. You have been warned. PLEASE BRING YOUR TEXTBOOKS. Items you will need to bring: pencils, eraser, sharpener, pens, ruler, and white out, which are to be placed in a clear zip lock bag. I will provide you with paper and a scantron. Bring a magazine, or book in case you finish the exam early. You will NOT be permitted to listen to music until EVERYONE is done the exam. Be sure to study every night so you are not overwhelmed the night before. GOOD LUCK! This is meant to help facilitate your studying and get you focused on key topics taught in this course. If you want to get 85% or higher on the exam, you will need to study/review EVERYTHING on the topics listed in this review and make connections. This means you must read the appropriate sections from the textbook as well as your class notes/power points, assignments, worksheets, etc. TIPS: Use the INDEX (p.700) located in the back your textbooks to help you find specific concepts faster. The GLOSSARY gives you quick access to the definition of most terms but not all. (p.682) NOTE: * Denotes a topic that may also appear in a short answer type question. Genetics Chapter 4: Cell Division and Genetic Material (p.160-180) The cell cycle (p.160-161) Mitosis vs meiosis (stages (PMAT and crossing over vs synapsis in Meiosis) Sex chromosomes in humans (p.166) Somatic cells vs sex cells (location and chromosome number in each) Terminology (ie DNA, allele, homologous chromosomes, autosomes, karyotype) Chapter 5: Patterns of Inheritance (p.200-226) Mendelian Genetics: results of Mendel’s ‘True breeding’ crosses and F1 crosses (predicted phenotypes with given parents) (p.204-205) * Know Mendel’s two laws* Be able to do genetic crosses (Punnett Squares/monohybrids) (p.208) Recognize the phenotypic ratio of a dihybrid cross (p.214) * Interpreting pedigree charts* (p.219) Autosomal dominant vs autosomal recessive trait (p.220-222) Chapter 6: Complex Patterns of Inheritance (p.240-266) *Incomplete dominance, co-dominance, multiple alleles* (Genetic Problems) (p.242-247) Polygenetic inheritance (p.248) *sex-linked traits and genetic problems* (p.253-257) Know sex-linked conditions/traits (ie. Hemophilia, colour blindness, etc.) (p.255) Terminology - gene, heterozygous, phenotype, genotype, autosomal vs sex-linked traits) Section 6.3 could be used to help you with your long answer question if you choose it Evolutionary Processes Chapter 7: Introducing Evolution (p.294-338) Adaptations and variations (p.296-300 and p. 313 for more mimicry examples) Mutations and selective advantage (p.301-302) Natural selection vs artificial selection (305-307) Chapter 8: Developing a Theory of Evolution (p.324-338) Theories of evolution (main points ie. Catastrophism, uniformitarianism, etc.) p.326-330 * Lamarck vs Darwin – theories of evolution* (p.330) *Sources of evidence for evolution/natural selection* (8.2) Homologous vs. analogous structures (p.336-337) Fitness (p.306, 492) Theory of natural selection (p.328-330) Chapter 9: Evolution and Speciation (p.348-373) Factors that affect change allele frequencies in a population (p.350-358) *3 different types of natural selection* (p.356-358) Sexual selection (p.357-358) Speciation-how species form (Figure 9.12 on p. 360 is a good overview/summary) *Sympatric vs allopatric speciation and be able to explain using an example* (p.364-365) Adaptive radiation (p.367) *Consequences of Human Activities on Speciation* (p.370-371) Diversity of Live Chapter 1: Identifying, Naming and Classifying Species (p.10-127) Species concepts (p.11) Naming species and who created this system of classification (p.12) *Taxonomic Categories/Ranks used to classify organisms (D,K,P,C,O,F,G,S)* (p.14-15) Interpreting phylogenetic trees/cladograms. (see notes and worksheet) (p.20-21) 6 kingdoms and main characteristics of each. (p.29) * Classifying diversity: 3 types of diversity (genetic, species and ecosystem)* (p.31-33) *Ecosystem Function, Species diversity and human actions (p.33-35)* Chapter 2: A Microscopic Look at Life’s Organization (p. 52-127) Interpreting phylogenetic trees and cladograms Prokaryotes vs eukaryotes (p.25 and p.53) *Viruses and the Stages of Viral Replication as well as the differences between the lytic & lysogenic cycle (p.53-56)* Comparing bacteria vs archaebacteria (p.59-65) Bacteria and how they are classified based on morphology (p.59) Classification of Archaea bacteria (thermophiles, etc.) (p.61) Conjugation and Plasmids (p. 62-63) *Theory of endosymbiosis and evidence* (p.67-69) Chapter 3: Multicellular Diversity (p.89-127) Groups of protists as well as examples (p.72) Evolution of protists (algae) to land plants (p.93-94) *Gymnosperms vs. angiosperms* (p.100-101) *monocots vs dicots* (p.103) Characteristics used to classify animals (p.111) Animal Systems Chapter 10: The Digestive System (p.402-425) Macromolecules (p.402-403) Enzymes of the digestive system (p.404, 416) Human Digestive system (Stages of digestion and diagram) (p.411-415) *Enzymes/catalysts, optimal pH/Temp, interpreting graphs* (p.417 & class Lab) Chapter 11: The respiratory System (p.442-463) Cellular respiration chemical equation (notes) Mechanics of breathing and the movement of air from atmosphere into the lungs (p.446) *3 types /stages of respiration* (p.442) *Spirograph and lung capacities* (p.448) Chapter 12: The Circulatory System (p.478-501) Flow of blood through the heart (p.480-481) *arteries, veins, and capillaries* (p.482) Functions of blood in the circulatory system (p.486-487) *Components of blood and their functions (RBC, WBC, Platelets, plasma)* (p.484-486) Cardiac cycle (Systole vs diastole) (p.489-490) ABO blood Groups Pig Dissection (Lab Notes and p.506-511) How many Lobes in the liver, and in the lungs? Why fetal pigs are used in our dissection? Where the organs that you extracted are located? Exam Break Down Part A: Multiple Choice /50 Part B: Diagrams (1) /12 (heart, digestive system, or respiratory system) Part C: Short Answers (14 Questions) /58 K/U (no choice) (5 x 5 = 25 marks). Communication (4 x 3 marks = 12 marks- 4 sets: choice 1 of 2) Thinking/Inquiry (4 x 5 = 25 marks) Lab Based (10 marks) - Ch. 11 and 12 (Circulatory and Respiratory Systems) Part D: Long Answer /10 (Pick ONE of 5 topics listed) - Diversity Unit: Impact of climate change on biodiversity - Genetics Unit: Gene therapy, ethics, dangers, etc. - Evolution Unit: Human activity and Natural selection - Body Systems: Cardiovascular disease and the body systems - Body Systems: Process of digestion from start to finish Total: /130 Remember to take breaks when needed. Do NOT cram 2 nights before the exam. Good Luck and Happy Studying. Ms. G