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Aquatic plants play a critically important role in maintaining ecosystem health. They are natural biological filters in freshwater and estuarine wetlands; they contribute to the reproductive success of many organisms, some of which are harvested for food; they assist in flood control; and they are prominent elements in the aesthetics and recreational use of freshwater and estuarine habitats. Despite this globally recognized importance, wetlands have faced and continue to face threats from the encroachment of human activities. The Biology of Aquatic and Wetland Plants is a thorough and up-to-date textbook devoted to these plants and their interactions with the environment. The focus is on bot...
This new edition of a foundational text presents a contemporary review of cladistics, as applied to biological classification. It provides a comprehensive account of the past fifty years of discussion on the relationship between classification, phylogeny and evolution. It covers cladistics in the era of molecular data, detailing new advances and ideas that have emerged over the last twenty-five years. Written in an accessible style by internationally renowned authors in the field, readers are straightforwardly guided through fundamental principles and terminology. Simple worked examples and easy-to-understand diagrams also help readers navigate complex problems that have perplexed scientists for centuries. This practical guide is an essential addition for advanced undergraduates, postgraduates and researchers in taxonomy, systematics, comparative biology, evolutionary biology and molecular biology.
Although they are relative latecomers on the evolutionary scene, having emerged only 135?170 million years ago, angiosperms—or flowering plants—are the most diverse and species-rich group of seed-producing land plants, comprising more than 15,000 genera and over 350,000 species. Not only are they a model group for studying the patterns and processes of evolutionary diversification, they also play major roles in our economy, diet, and courtship rituals, producing our fruits, legumes, and grains, not to mention the flowers in our Valentine’s bouquets. They are also crucial ecologically, dominating most terrestrial and some aquatic landscapes. This fully revised edition of Phylogeny and E...
Genes have a huge impact on who we are, from defining us as humans, to governing how we behave. Whether controlling our cells or creating new forms of life, discover how DNA makes each of us unique. In The Secret Life of Genes, you'll learn all about the past, present and future of the human genome. Filled with colourful, graphic illustrations to help you to understand the world of genetics, from the basics to the most complex theories, this book brings the inner workings of the human body to life. Derek Harvey answers the biggest questions, from the nature of inheritance, evolution and reproduction, to how genes are arranged and how DNA is read. Take a trip through the history of the world's DNA and unlock the future of the field.
Can we discover morality in nature? Flowers and Honeybees extends the considerable scientific knowledge of flowers and honeybees through a philosophical discussion of the origins of morality in nature. Flowering plants and honeybees form a social group where each requires the other. They do not intentionally harm each other, both reason, and they do not compete for commonly required resources. They also could not be more different. Flowering plants are rooted in the ground and have no brains. Mobile honeybees can communicate the location of flower resources to other workers. We can learn from a million-year-old social relationship how morality can be constructed and maintained over time.
Inside you lies a precise scientific instrument – the ability to observe Nature and recall past experiences. You were born with it and you use it every day. You can be trained to use it more effectively to, for example, compare and discover new species of organisms or new minerals. Our senses do have limitations, and we often use microscopes, telescopes and other tools to aid our observation. However, we benefit from knowing their limitations and the impact they have on our ability to combine our observations and our experience to make decisions. Once these tools replace our direct observation and our experience we ourselves become disconnected from Nature. Scientific practice turns into w...
"This is a follow-up volume to Gracie's Spring Wildflowers of the Northeast. This new book treats 35 species of summer blooming wildflower some common, others less so concentrating on each species life history and, in the same manner as the earlier book, providing intriguing insights into the biology, ecology, folklore, and, where relevant, ethno-botany of each flower. Each species account is richly illustrated with a range of color photos"--
The Great Tree of Life is a concise, approachable treatment that surveys the concept of the Tree of Life, including chapters on its historical introduction and cultural connection. The Tree of Life is a metaphor used to describe the relationships between organisms, both living and extinct. It has been widely recognized that the relationship between the roughly 10 million species on earth drives the ecological system. This work covers options on how to build the tree, demonstrating its utility in drug discovery, curing disease, crop improvement, conservation biology and ecology, along with tactics on how to respond to the challenges of climate change. This book is a key aid on the improvement...
Includes all the vasular plants of China with brief descriptions, identification keys, essential synonymy, phenology, provincial distribution in China, brief statements on extra-Chinese distribution, and remarks regarding the circumscription of problematical taxa.