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After a brief survey of biotopic and vegetational features and an account of the main groups of desert animals, the most unusual patterns of the behaviour of the xerophilous fauna are examined. The importance of the thermohygric regulation and self-protective and locomotor mechanisms to the survival of arid-adapted animals is emphasized and various adaptations in the alimentary, reproductive and social spheres are analyzed. The clear and fluent treatment will awaken the interest of the reading public, from the amateur naturalists to research scientists.
A synthesis of the environmental and climatic history of every major desert and desert margin, for researchers and advanced students.
Hattie the Hedgehog wants everything to be perfect for her Big Sleep. "It's half past September already. I must finish my hibernation checklist." Snuggle down with Hattie who, with the help of some unexpected visitors, discovers what she needs most of all for a happy hibernation. Download the full eBook and explore supporting teaching materials at www.twinkl.com/originals Join Twinkl Book Club to receive printed story books every half-term at www.twinkl.co.uk/book-club (UK only).
1. It is designed in accordance with the latest guidelines laid by NCERT for classes 1 to 8. 2. Aims to inculcate inquisitiveness and passion for learning. 3. The chapters are designed in a manner that leads to comprehensive learning of concepts, development of investigative and scientific skills and the ability to probe into problems and find a possible solution. 4. The content of the series is supported by alluring illustrations and attractive layout to lend to the visual appeal and also to enhance the learning experience. 5. A clear comprehensive list of learning objectives at the beginning of each chapter 6. A Kick off activity at the beginning of each chapter to set the pace for learning 7. Hand-on activities presented using the scientific methodology of having a clear aim and materials required along with recording and discussing the task at hand 8. A section on ‘In Real Life’ at the end of each chapter imparts value education and helps the learners become a better citizen 9. Evaluation tools in the form of test papers and model test papers in classes 1 to 5 and periodic assessments, half yearly paper and a yearly paper in classes 6 to 8.
CBSE Biology, for class 12, has been strictly published according to the latest syllabus prescribed by the CBSE, New Delhi. The book has been thoroughly revised and a new feature - for those students who want to attempt some more challenging problems. provides Hints & Solutions for the exercises of each chapter, at the end of the corresponding chapter.
A revised and thoroughly updated edition of this concise but comprehensive introduction to desert ecology.
Originally published in 1975 Terrestrial Environments covers the zoogeography and ecology of the main terrestrial environments of the world, including fresh water habitats with emphasis on their fauna. The book also explores climate and vegetation in so far as they affect animal life. Finally, the selective influence of the environment on its fauna is discussed and, conversely, the influence of regulation, a synthesis of these interrelations. Morphological adaptations of the animals inhabiting various types of terrestrial environments are considered in relation to locomotion, feeding, and escape from enemies. Physiological adaptations are also mentioned briefly, and the adaptative importunate of diurnal and seasonal rhythms is stressed.