Sl biology - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Sl biology? On this page you'll find 272 study documents about Sl biology.
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IB Biology Chapter Notes
- Class notes • 64 pages • 2024
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Chapter 1-10 detailed summarized notes for IB Biology Final exams
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IB biology past essay questions HL and SL all units and mark scheme 2023 (A+)
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IB biology past essay questions HL and 
SL all units and mark scheme 
2023 (A+) 
Outline what is meant by the trophic level of an organism with three examples from one 
named habitat. (4 max) - Answer-feeding level for an organism in a food chain 
naming of habitat (1 mark) 
naming three trophic levels correctly (1 mark) 
three examples forming a food chain from the named habitat (1 mark) 
2. Compare the ways in which autotrophic, heterotrophic and saprotrophic organisms 
obtain energy. (6 ma...
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Biology ib SL and HL paper 1 and paper 2 review (with links and resources)
- Summary • 141 pages • 2024
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The document goes in great detail about the ib biology SL and HL topics; Water, Origin of cells, cell structure, virsues, carbohydrates and lipids, organelles and compartementalization, diversity of organisms, membranes, cell specialization, stem cells etc. It's almost 200 pages of the topics descriptions, diagrams, drawings, explanations, resources and videos. The information contains both the old syllabus and the new 2025 ib biology syllabus. The black notes are class notes, while the red not...
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IB biology past essay questions HL and SL all units and mark scheme 2023 (A+
- Exam (elaborations) • 50 pages • 2023
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IB biology past essay questions HL and 
SL all units and mark scheme 
2023 (A+) 
Outline what is meant by the trophic level of an organism with three examples from one 
named habitat. (4 max) - Answer-feeding level for an organism in a food chain 
naming of habitat (1 mark) 
naming three trophic levels correctly (1 mark) 
three examples forming a food chain from the named habitat (1 mark) 
2. Compare the ways in which autotrophic, heterotrophic and saprotrophic organisms 
obtain energy. (6 ma...
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IB Biology - Unit 4 - Ecology SL/HL IB biology 11 SL Ecology topic. 2023 (A+)
- Exam (elaborations) • 5 pages • 2023
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IB Biology - Unit 4 - Ecology SL/HL 
IB biology 11 SL Ecology topic. 
2023 (A+) 
Species - Answer-A group of organisms that can interbreed and produce fertile 
offspring. 
Habitat - Answer-The environment in which a species normally lives or the location of a 
living organism. 
Population - Answer-A group of organisms of the same species who live in the same 
area at the same time. Two populations in the same species that are separated from 
each other may develop differences in character, b...
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IB Biology SL 46 Questions And Answers
- Exam (elaborations) • 5 pages • 2024
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Organic compound - ️️A compound that contains carbon found in living organisms, excluding carbonates and oxides 
 
Enzyme - ️️Biological catalysts made of protein that speed up the rate of a reaction 
 
Active site - ️️The region of an enzyme where the substrate binds 
 
Denaturation - ️️A structural change in the 3-D shape of a protein causing the loss of its chemical properties 
 
Cell respiration - ️️The controlled release of enrgy from organic compiunds in cells to form A...
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IB Biology - Unit 4 - Ecology SL/HL IB biology 11 SL Ecology topic. 2023 (A+)
- Exam (elaborations) • 5 pages • 2023
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IB Biology - Unit 4 - Ecology SL/HL 
IB biology 11 SL Ecology topic. 
2023 (A+) 
Species - Answer-A group of organisms that can interbreed and produce fertile 
offspring. 
Habitat - Answer-The environment in which a species normally lives or the location of a 
living organism. 
Population - Answer-A group of organisms of the same species who live in the same 
area at the same time. Two populations in the same species that are separated from 
each other may develop differences in character, b...
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IB Biology SL Year 1: Exam Review Questions with Answers. Updated to the latest Edition
- Exam (elaborations) • 13 pages • 2024
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Enzyme - AnsGlobular proteins that act as catalysts of chemical reactions 
Active Site - AnsRegion on the surface of an enzyme to which substrates bind and which catalyzes a 
chemical reaction involving substrates 
Enzyme-substrate specificity - AnsThe active sites of enzymes are specific to their substrates because 
it has a very specific shape, which means enzymes can catalyze only certain reactions as only a small 
number of substrates fit in the active site 
Effect of temperature on enzym...
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IB biology diagrams
- Summary • 7 pages • 2023
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IB Biology diagrams SL&HL (received 6 HL biology)
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IB Biology SL Exam 2024 with Guaranteed Accurate Answers
- Exam (elaborations) • 4 pages • 2024
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Organic compound - correct answer A compound that contains carbon found in living organisms, excluding carbonates and oxides 
 
Enzyme - correct answer Biological catalysts made of protein that speed up the rate of a reaction 
 
Active site - correct answer The region of an enzyme where the substrate binds 
 
Denaturation - correct answer A structural change in the 3-D shape of a protein causing the loss of its chemical properties 
 
Cell respiration - correct answer The controlled release of en...
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