Ib biology evolution - Study guides, Class notes & Summaries
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IB Biology Paper 2 Section B Questions and Answers Already Passed
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IB Biology Paper 2 Section B Questions 
and Answers Already Passed 
Draw a labelled diagram of the human adult male reproductive system. [5 marks] a. scrotum 
- shown around testes; 
b. testes/testis/testicles - shown inside scrotum; 
c. epididymis - shown adjacent to testis and connected to sperm duct; 
d. sperm duct/vas deferens - double line connecting testis/epididymis to urethra; e. seminal 
vesicle - sac shown branched off sperm duct (not off the urethra); 
f. prostate gland - shown positi...
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Summary Study Notes IB HL Biology
- Class notes • 44 pages • 2024 Popular
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Concise study notes from 2022 IB HL Biology. Attained a Level 7 in exam. 
 
CORE: 
Topic 1: Cell Biology 
Topic 2: Molecular Biology 
Topic 3: Genetics 
Topic 4: Ecology 
Topic 5: Evolution and Biodiversity 
Topic 6: Human Physiology 
 
ADDITIONAL HIGHER LEVEL: 
Topic 7: Nucleic Acids 
Topic 8: Metabolism, Cell Respiration and Photosynthesis 
Topic 9: Plant Biology 
Topic 10: Genetics and Evolution 
Topic 11: Animal Physiology
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IB Biology SL - the Complete Summary for the IBDP Exam
- Summary • 65 pages • 2023
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This document is the complete summary required to pass the IB Biology Standard Level exams. It includes a detailed and comprehensive (yet concise) summary of Chapters 1-6 of the new textbook by Andrew Allott, as well as case studies you can mention during the exam, drawings and diagrams of relevant biological processes (such as mitosis / meiosis), tables, and class notes from a leading IB school. 
 
These notes have been used exclusively in order to achieve a 7 in the course, and have therefore ...
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IB Biology: Evolution Questions and Answers Already Passed
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IB Biology: Evolution Questions and 
 
Answers Already Passed 
 
What is a theory? A comprehensive explanation of some aspect of nature (vs a hypothesis, 
which is just a prediction as to the result of an experiment). 
 
What were some ideas from Darwin's time that influenced his work? French naturalist 
Buffon in the mid-1700s studied fossils and said the Earth must be older than previously 
assumed; Lamarck in the early 1800s proposed that life changes over time. 
 
Define acquired vs heritab...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/2H Biology Paper 2H Version: 1.0 Final *JUN238464B2H01* IB/M/Jun23/E7 8464/B/2H QUESTION PAPER & MARKING SCHEME/ [MERGED]
- Exam (elaborations) • 53 pages • 2024
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/B/2H 
Biology Paper 2H 
Version: 1.0 Final 
*JUN238464B2H01* 
IB/M/Jun23/E7 8464/B/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
Friday 9 June 2023 Afternoon Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer all ...
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IB Biology Chapter 5 Questions and Answers Already Passed
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IB Biology Chapter 5 Questions and 
 
Answers Already Passed 
 
When does evolution occur It occurs when the heritable characteristics of a species change 
 
What shows that artificial selection can cause evolution selective breeding 
 
What are the evidence of evolution The fossil record, selective breeding, homologous 
structures, speciation, pattern of variation 
 
What is the mechanism of evolution Natural selection 
 
Analogous structures They are structures with difference in structure but...
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IB Biology A3.1 - Diversity of Organisms 100% Correct
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IB Biology A3.1 - Diversity of Organisms 
 
100% Correct 
 
organism any biological system that functions as an individual life form; all living 
organisms are composed of cells 
 
population a group of organisms that belong to the same species and live in the same area; 
population can vary in same species 
 
communities the populations of two or more different species occupying the same 
geographical area at the same time (there is great variation) 
 
variation refers to differences between me...
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IB Biology Year 1 Review with Complete Solutions
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IB Biology Year 1 Review with Complete 
Solutions 
ecology the study of relationships between living organisms and between organisms and 
their environment 
ecosystem a system made up of organisms as well as the abiotic factors in the area 
population a group of organisms of the same species who live in the same area at the same 
time 
community a group of populations living and interacting with each other in an area 
species a group of organisms which can interbreed and produce fertile offsprin...
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AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/2H Biology Paper 2H Version: 1.0 Final *JUN238464B2H01* IB/M/Jun23/E7 8464/B/2H QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 53 pages • 2024
- Available in package deal
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- $9.49
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GCSE 
COMBINED SCIENCE: TRILOGY 
8464/B/2H 
Biology Paper 2H 
Version: 1.0 Final 
*JUN238464B2H01* 
IB/M/Jun23/E7 8464/B/2H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
TOTAL 
Friday 9 June 2023 Afternoon Time allowed: 1 hour 15 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Pencil should only be used for drawing. 
• Fill in the boxes at the top of this page. 
• Answer all ...
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IB Biology - Scientists of IB Bio 100% Correct
- Exam (elaborations) • 4 pages • 2024
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IB Biology - Scientists of IB Bio 100% 
 
Correct 
 
Robert Hooke First person to observe cells and write the cell theory 
 
Ernst Ruska Developed the electron microscope in 1930s and won the Nobel Prize for it 
 
Friedrich Wohler Urea synthesis which falsified the theory of vitalism 
 
Davson-Danielli Proposed the 'protein sandwich' model for membrane structure 
 
Louis Pasteur Experiment with broth that confirmed that spontaneous generation of cells and 
organisms does not occur on Earth 
 
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