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Lakes and wetlands are significant ecosystems that nourish, sustain, and house many of the planet's plant and animal species. Though both of these regions are defined by water-both fresh and saline-each lake and particular type of wetland also has characteristics all its own. This detailed volume considers the formation, composition, and maintenance of these intricate ecological units and the various life forms they support. Dramatic full-color photographs...
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Earth's biosphere supports several unique biomes and ecosystems. Though they operate as self-contained units, these regions also operate as part of a global network, nurturing interdependence among greatly diverse plant and animal species. The evolution of these wondrous realms-both aquatic and terrestrial-and the various natural elements that distinguish them from one another are the subjects of this comprehensive volume.
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Winding their way through the planet's landscapes and supplying some of its most prosperous cities with fresh water, food, and transportation conduits, rivers and streams have critical ecological and economic significance. As they carve out waterfalls, valleys, canyons, deltas, and a host of other landforms, they also support a diversity of organisms and connect disparate regions. Accompanied by extraordinary color photographs, this volume examines...
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The Earth's capacity to sustain life increasingly depends on the actions of humans and our commitment to preserving the planet's incredible biodiversity. Because its ecosystems are vulnerable to pollution, overuse, and numerous other damaging activities, plants and animals that rely on these regions to subsist are significantly threatened. This insightful volume examines various conservation measures, such as habitat management, that help control...
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Constituting more than 70 percent of Earth's surface, the world's oceans are so vast as to remain something of an enigma to this day. Navigating these imposing seas and unlocking their secrets is the calling of oceanographers. Their research helps determine what climatic, geologic, and chemical impact oceans have on a variety of organisms. In spite of their magnitude and might, the world's oceans are not immune to the effects of adverse human activity,...
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Notwithstanding its detractors, evolutionary science has anticipated modern genetic research and continued to illuminate mysteries about our past and our connectedness to the species around us. Detailing the evolutionary process and speciation as well as the continuing debates about evolution's inherent validity, this engrossing volume considers all aspects of this exciting field of study.
7) Meat Eaters
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Primeval jungles, mountain ranges, and the cover of deep forests are not the only domains of meat-eating creatures. Carnivores also can be found stalking prey from the air, in ocean depths, and marshy swamps. Raptors, sharks, and crocodiles are among the most predominant non-mammalian meat-eaters that rely on hunting or scavenging for survival. This volume examines the various species in this select grouping, investigating the physical characteristics...
8) Primates
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From lemurs to apes to human beings, primates are unique among mammals-for example, our brains are large compared to our size. Our complex interactions, intricate social structures, and extensive range of emotions allow us to adapt and thrive in diverse habitats around the globe. In this volume, readers are invited into the many domains of these extraordinary creatures to discover the incredible diversity of primate species. Readers will also learn...
9) Grazers
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While they come in all shapes, textures, and sizes, animals that subsist on the Earth's natural vegetation share many common elements as well. Occupying a unique place in the food chain, grazers all over the Earth provide vital nourishment for carnivores and are often valuable to humans for meat, skins, and various domestic uses. This volume provides a colorful view of these varied and complex creatures as well as the features and behaviors that both...
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While we may often find them nestled in the corners of our attics or traversing our yards, rodents and bats are more frequently found in nature and originate in a large variety of shapes and sizes. Together they make up over half of the planet's mammal species. While there are only 29 species of xenarthrans-an ancient line of mammals comprised of sloths, anteaters, and armadillos-they are significant players in various ecosystems, as well. This colorful...
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More than 15,000 species of reptiles and amphibians roam planet Earth today. Believed to be descendents of the dinosaurs, reptiles are scaly and cold-blooded. Amphibians lead something of a double-life, since they are capable of living in terrestrial and aquatic habitats. This colorful volume details the physical characteristics, as well as the breeding and feeding behaviors, of both reptiles and amphibians, with an up-close look at many of these...
12) Carnivores
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Sharp-toothed and quick-footed, carnivorous mammals are primed for the hunt. Far from ruthless, however, carnivores-hunters by nature and necessity-are integral to maintaining ecological balance. While predatory behavior often seems grisly, many carnivores are actually omnivorous and many can even be domesticated. This striking volume journeys from secluded forest habitats to our own homes to survey the unique features and behaviors of various species...
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