Biology aqa a2 - Study guides, Class notes & Summaries
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A2 Biology AQA 5.5-Biological& chemical pesticides
- Exam (elaborations) • 6 pages • 2023
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Pest 
An organism that competes with humans for food or space or is a danger to health. 
 
 
 
Pesticides 
Are poisonous chemicals that kills pests. 
 
 
 
 
 
 
00:27 
 
01:36 
Features of an effective pesticide 
-Specific 
-Biodegradable 
-Cost-effective 
-Not accumulate 
 
 
 
Specific 
The pesticide is only toxic to on organism, which it is directed towards. 
Harmless to humans and any other organisms. 
 
 
 
Biodegradable 
The pesticide once applied will breakdown,into harmless substances. ...
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AQA A-level BIOLOGY Paper 3
- Exam (elaborations) • 40 pages • 2023
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Distribution of this document is illegal 
Please write clearly in block capitals. 
Centre number 
Candidate number 
Surname 
Forename(s) 
Candidate signature 
I declare this is my own work. 
A-level 
BIOLOGY 
Paper 3 
Time allowed: 2 hours 
Materials 
For this paper you must have: 
• a ruler with millimetre measurements 
• a scientific calculator. 
Instructions 
• Use black ink or black ball-point pen. 
• Fill within the boxes at the top based on this page. 
• Answer all questions with...
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AQA A2 BIOLOGY UNIT 4 CONTENTS
- Summary • 97 pages • 2022
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AQA A2 BIOLOGY UNIT 4 CONTENTS
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AQA A2 BIOLOGY UNIT 4 content
- Summary • 97 pages • 2022
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AQA A2 BIOLOGY UNIT 4 content
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Organisms respond to changes in their internal and external environments AQA A2 Biology 4
- Summary • 2 pages • 2022
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Organisms respond to changes in their internal and external environments AQA A2 Biology 4
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YEAR 2/ A2 AQA A-LEVEL PSYCHOLOGY EXAM REVISION NOTES , SCHIZOPHRENIA
- Other • 1 pages • 2021
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Year 2/A2 AQA A-Level Psychology exam revision notes for the option Schizophrenia. This is on an A3 sized paper digital paper. This has been simplified to make it easier to pick out important information and revise key notes.
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Cell structure - A-Level Biology notes
- Class notes • 6 pages • 2021
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Cell structure - A-Level Biology notes
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Energy and ecosystems - A-Level Biology notes
- Class notes • 3 pages • 2021
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Energy and ecosystems - A-Level Biology notes
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Photosynthesis - A-Level Biology notes
- Class notes • 3 pages • 2021
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Photosynthesis - A-Level Biology notes
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Respiration - A-Level Biology notes
- Class notes • 3 pages • 2021
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Respiration - A-Level Biology notes
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