Improve your skills and knowledge with the National 4 Biology Study Guide from BrightRED Publishing. From the authors of the bestselling National 5 Biology Study Guide, this Study Guide will give you all the tools you need to succeed at National 4. In this Study Guide, you will find: coverage of key areas, including Cell Biology, Multicellular Organisms, and Life on Earth; Don’t Forget features with helpful hints on key points; Things to Do and Think About sections which provide you with plenty of opportunities to apply your knowledge into practice"