Ocr a level biology - Study guides, Class notes & Summaries
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OCR Biology A (A Level) H420_01 Biological processes June 2024
- Exam (elaborations) • 35 pages • 2024
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OCR Biology A (A Level) H420_01 Biological processes June 2024
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OCR Biology A (A Level) H420_03 Unified biology June 2024
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OCR Biology A (A Level) H420_03 Unified biology June 2024
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OCR A Level Biology A Module 5 Test Questions With Correct Answers 2024.
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5.1.1 COMMUNICATION AND HOMEOSTASIS - Answer 5.1.1 COMMUNICATION AND HOMEOSTASIS 
 
why do multicellular organisms need communication systems? 
 
e.g hormonal, nervous - Answer So they can respond to changes in the internal and external environment + coordinate the activities of different organs. 
 
responses can be behavioural or physiological 
 
How does responding to the environment help organisms survive? - Answer - increase chance of survival by responding to changes in external envir...
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OCR AS Level Biology A H020/02 JUNE 2023 QUESTION PAPER: Depth in biology
- Exam (elaborations) • 39 pages • 2023
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This is the official question paper
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OCR 2023 Biology A H420/03: Unified biology A Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 53 pages • 2024
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OCR 2023 
Biology A H420/03: Unified biology A Level Question Paper & Mark Scheme (Merged)
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Ocr A level biology paper 2 with complete solution
- Exam (elaborations) • 27 pages • 2024
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Ocr A level biology paper 2 with complete solution
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Ocr A level biology paper 2 questions & answers
- Exam (elaborations) • 27 pages • 2024
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Ocr A level biology paper 2 questions & answers
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OCR A Level Biology active recall sheet (mark scheme based)
- Summary • 2 pages • 2023
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A comprehensive overview of the entire OCR A Level Biology course including key details from mark schemes and common questions. 
Every specification point has been converted into a question for active learning. Answers to each question are in the next column 
 
The preview may not show the entire document since it is in excel format but once downloaded you will have two columns - left one with questions and the right one with all the answers and details :)
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