Endorsed by WJEC and written by a senior examiner, Dr Marianne Izen, WJEC AS & A2 Biology - A Student Guide to Practical Work is an essential study companion for Biology and Human Biology students taking the Practical Assessment units BY3 and BY6. As well as providing students with all they need to know to prepare for their BY3 and BY6 practical assessments this book will also guide students through the practical tasks they will encounter in their course. Examples of practical tasks are used throughout to help reinforce and illustrate practical skills;/ Practical tips provide examiner advice on completing tasks and assessments;/ Pointers help students understand and use the information in the book;/ Grade boost tips offer advice on how to perform better in the practical assessments and exams;/ Differences reflecting progression from AS to A2 are clearly explained where appropriate;/ A glossary gives concise meanings of many of the technical terms used in practical work; / A section on spelling, punctuation and grammar helps students use appropriate language to describe their practical work.