A summary of Ectotherms and Endotherms. Very useful as exam/test preparation.

A summary of the Control of Blood's Water Potential. Very useful as exam/test preparation.

A summary of Homeostasis. Very useful as exam/test preparation.

A summary of the Need for Communication Systems. Very useful as exam/test preparation.

A summary of the Importance of Excretion. Very useful as exam/test preparation.

A summary of Diabetes Mellitus. Very useful as exam/test preparation.

A summary of Nerve Impulse Generation and Transmission. Very useful as exam/test preparation.

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

Notes follow OCR AS biology course 2015 Spec. Great for last minute revision notes. Includes diagrams

A summary of Gene Expression Regulation. Very useful as exam/test preparation.

A summary of the Types of Gene Mutations. Very useful as exam/test preparation.

A summary of Artificial Selection. Very useful as exam/test preparation.

A summary of the Genetic Control of Embryonic Development. Very useful as exam/test preparation.

A summary of the Chi Squared Test (X^2). Very useful as exam/test preparation.

81 Pages of A level Biology questions on Natural Selection and Classification. Includes answers. Can also be used for AS, just inform students not to do the essay questions (25 marks). Contains some A2 ideas. Would NOT recommend printing... Download and show on screen maybe?