Ocr a level biolog - Study guides, Class notes & Summaries

Detailed 41-page document summary of the module made from the OCR A biology book containing everything you need to know. You can use this to condense everything down into flashcards on Anki or anything you like.

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...

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 :)

Ocr A level biology paper 2 with complete solution

Ocr A level biology paper 2 questions & answers