Dead leaves, food scraps, and grass clippings for lunch? Small animals, fungi, and bacteria called decomposers turn trash into a tasty compost treat. Learn more about compost and how you can use it in your garden or yard.

Study & Master Life Sciences Grade 11 has been especially developed by an experienced author team for the Curriculum and Assessment Policy Statement (CAPS). This new and easy-to-use course helps learners to master essential content and skills in Life Sciences. The comprehensive Learner's Book includes: * an expanded contents page indicating the CAPS coverage required for each strand * a mind map at the beginning of each module that gives an overview of the contents of that module * activities throughout that help develop learners' science knowledge and skills as well as Formal Assessment tasks to test their learning * a review at the end of each unit that provides for consolidation of learning * case studies that link science to real-life situations and present balanced views on sensitive issues. * 'information' boxes providing interesting additional information and 'Note' boxes that bring important information to the learner's attention

Designed for classroom and independent study, our Revision Guides include a FREE online edition and complement the Student Books with a range of features: One-topic-per-page format helps you revise more quickly, without the hassle Exam-style worked examples match the new specification and demonstrate good exam technique 'Now try this' exam-style practice questions let you test your understanding of a topic Problem solving support throughout including tricky questions on easy topics and strategies and techniques for answering harder questions Complete coverage of the new specification including brand-new topics Visual explanations of key concepts help you revise quickly and recall key skills in your exams

In the relatively short period since "Cryptosporidium" was recognised as a human pathogen, and that it could be transmitted in water as well as directly between animals and people, it has been the subject of intense investigations. Its status as an opportunistic pathogen, especially in AIDS patients, and the lack of effective anti-cryptosporidial drugs have served to emphasise the public health importance of this organism. This has to some extent overshadowed the fact that "Cryptosporidium "is also an important pathogen of domestic animals and wildlife.

In recent years, the application of molecular biology and culture techniques have had an enormous impact on our understanding of the aetiological agents of cryptosporidial infections and our ability to study the causative agents in the laboratory. As a consequence, a wealth of information and novel data has been produced during the last 3-4 years, particularly in the areas of taxonomy, biology, pathogenesis, epidemiology - particularly zoonotic and water borne transmission, and treatment.

It is thus very timely to bring together in this book the international research community involved to review the major advances in research and identify the important research priorities for the future, thus enabling as wide an audience as possible to benefit from and share in this comprehensive look at "Cryptosporidium "and cryptosporidiosis.

This edited book provides a global view on evolution education. It describes the state of evolution education in different countries that are representative of geographical regions around the globe such as Eastern Europe, Western Europe, North Africa, South Africa, North America, South America,Middle East, Far East, South East Asia, Australia, and New Zealand.Studies in evolution education literature can be divided into three main categories: (a) understanding the interrelationships among cognitive, affective, epistemological, and religious factors that are related to peoples' views about evolution, (b) designing, implementing, evaluating evolution education curriculum that reflects contemporary evolution understanding, and (c) reducing antievolutionary attitudes. This volume systematically summarizes the evolution education literature across these three categories for each country or geographical region. The individual chapters thus include common elements that facilitate a cross-cultural meta-analysis. Written for a primarily academic audience, this book provides a much-needed common background for future evolution education research across the globe.

This superb CGP book of 10-Minute Tests is ideal for students preparing for the Grade 9-1 Edexcel International Biology exams (including the Biology parts of the International GCSE Science Double Award). It contains thirty bite-sized tests covering the whole course, with answers at the back, along with a handy progress chart. Don't miss CGP's 10-Minute Test books for International GCSE Chemistry (9781789080865) and Physics (9781789080872) for even more practice!

An introduction to the world of butterflies and moths tracing the development of these creatures from the larval stage through the chrysalis stage to their emergence as beautiful winged creatures. The book aims to give young readers an understanding of the role of butterflies and moths in nature.

Study & Master Life Sciences CAPS Study Guide supports you throughout your school year and with preparation for the final examination. It also: summarises the key concepts covered in each strand visually with mind maps, provides: illustrations, photos and diagrams to assist your learning, a variety of examination questions, answers for you to monitor and assess your performance, exemplar papers to prepare you for examinations, a glossary of science terms, guides you through the critical science skills, rules and conventions. Digital learning support is included on Cambridge Elevate (iOS or Android from the Apple App or Google Play stores, respectively).

This balanced analysis shows that the current Kyoto-Protocol Climate Protection System, and other proposals for improving the commitment system may not be capable of meeting the ultimate objective 'to prevent dangerous anthropogenic interference with the climate system'. On the other hand, says the author, there is hope that the implementation of Global Climate Certification Systems are a beginning that offers a chance for mankind to prevent dangerous climate change.

Sing a song of science You know the song Are You Sleeping? Sing along with new words that explain the differences between living and nonliving things.

It has become clear that tumors arise from excessive cell proliferation and a c- responding reduction in cell death. Tumors result from the successive accumulation of mutations in key regulatory target genes over time. During the 1980s, a number of oncogenes were characterized, whereas from the 1990s to the present, the emphasis shifted to tumor suppressor genes (TSGs). It has become clear that oncogenes and tumor suppressor genes function in the same pathways, providing positive and ne- tive growth regulatory activities. The signaling pathways controlled by these genes involve virtually every process in cell biology, including nuclear events, cell cycle, cell death, cytoskeletal, cell membrane, angiogenesis, and cell adhesion effects. Tumor suppressor genes are mutated in hereditary cancer syndromes, as well as somatically in nonhereditary cancers. In their normal state, TSGs control cancer development and p- gression, as well as contribute to the sensitivity of cancers to a variety of therapeutics. Understanding the classes of TSGs, the biochemical pathways they function in, and how they are regulated provides an essential lesson in cancer biology. We cannot hope to advance our current knowledge and to develop new and more effective therapies without understanding the relevant pathways and how they influence the present approaches to therapy. Moreover, it is important to be able to access the powerful tools now available to discover these genes, as well as their links to cell biology and growth control.

Explore the circulatory, respiratory, digestive, integumentary and immune systems in Book 6 of the Super Smart Science Series. Color-coded text throughout aid in retention of new vocabulary, and quiz sections reinforce new material learned. Find out how the body systems all work together to keep us happy and healthy in the fun new look at the human body

Spot On is spot on! The most popular course in South Africa, Spot On has everything a learner needs in one book. Spot On improves results, makes learning enjoyable, makes teaching a pleasure and is easy to use. The Spot On Teacher’s Guide comes with printable planning material, Formal Assessment Tasks, revision tests and exams.

These CGP Revision Question Cards are perfect for testing your Grade 9-1 Edexcel IGCSE Biology knowledge. There are 96 cards in the pack, covering every key topic. Each one starts off with quick questions to warm you up, followed by harder questions to get your brain into top gear. Flip the card over and you'll find full answers to each question, carefully written to help you understand everything you need to know. Along the way, we've packed in plenty of diagrams and expert revision tips, and there are even questions on experimental skills. Amazing! You'll find matching study notes for the whole course in CGP's Edexcel IGCSE Biology Revision Guide (9781782946748). And of course, we have Revision Question Cards for Edexcel IGCSE Chemistry (9781789083798) and Physics (9781789083804) too.