CCEA AS biology.: (Organisms and biodiversity) - Unit 2, (New edition.)

Perfect for revision, these guides explain the unit requirements, summarise the content and include specimen questions with graded answers.

Each full-colour New Edition Student Unit Guide provides ideal preparation for your unit exam:

- Feel confident you understand the unit: each guide comprehensively covers the unit content and includes topic summaries, knowledge check questions and a reference index- Get to grips with the exam requirements: the specific skills on which you will be tested are explored and explained- Analyse exam-style questions: graded student responses will help you focus on areas where you can improve your exam technique and performance

CONTENTS:

Content Guidance
- Principles of exchange and transport
- Gas exchange in flowering plants and mammals
- Transport and transpiration in flowering plants
- Blood transport system in mammals
- Diversity of life
- Adaptation of organisms
- Human impact on biodiversity
Questions and Answers
- Exemplar paper 1
- Exemplar paper 2
Knowledge check answers
Index