Although there are over 9,000 species of birds in the world, each develops from a single-celled egg, is incubated, hatches, and grows to adulthood. Some bird life cycles involve migration. The Life Cycle of a Bird focuses on the various stages and explains the differences in the length of time birds incubate their eggs and care for their young, the development of a chicken embryo and how a chick hatches, the dangers to nesting habitats, and the effects of pollution and how these affect the life cycle of birds.
A monarch born in the fall has two major challenges! In addition to metamorphosis, these butterflies fly 4,000 miles on a two-way migration trek! The Life Cycle of a Butterfly explains butterfly metamorphosis and migration in simple terms. The text is beautifully illustrated with photographs and art, making this book a joy to read. Topics include where butterflies lay their eggs, the "eating machine" caterpillar, the transformation from pupa to chrysalis to butterfly, the monarch migration, and butterfly facts and activity suggestions about how to protect butterflies.
The Life Cycle of a Flower looks at the growth of a flower from seed to the time it is a mature plant capable of producing new seeds. Delightful illustrations, stunning photographs and easy-to-read text help young readers learn how seeds are formed and what different types of seeds look like, the various ways flowers are pollinated, the conditions necessary for a seed to germinate and begin to make a new plant, and how flowering plants benefit animals, people, and the environment.
Frogs begin their lives as tiny tadpoles living in water. As adults, they live both on land and in the water. The Life Cycle of a Frog details the changes in a frog at the four stages: egg, tadpole, froglet, and adult. Illustrations, photographs, and easy-to-read text explain the facts about how the frog breathes and eats at each stage, the differences in the metamorphosis of frogs in southern and northern climates, and the dangers to frogs from pollution, pesticides, and destruction of habitat.
These busy insects have intrigued people of all ages for thousands of years. The Life Cycle of a Honeybee describes each stage of a honeybee's life cycle from egg to adult. Full-color photographs, beautiful illustrations, and easy-to-understand text highlight how a queen lays eggs and forms a new hive, how eggs develop into workers, drones, or queen bees, how the body of a larva changes to that of an adult through metamorphosis, the roles of workers, drones, and queens in the hive, and how honeybees find food.
Following lion cubs from birth to maturity, The Life Cycle of a Lion details a cub's place in the pride by discussing the hunt, territory patrols, and pride dominance. Vivid photographs and beautiful illustrations accompany text. Topics include lions in Asia and Africa, the network of aunts, sisters, and cousins in a lion pride, a lioness's preparation for birth, a cub's involvement in the pride's work and play, and the lives of lone lions in search of a pride.
Mosquitoes have lived on Earth for more than 30 million years! Close-up photos and detailed illustrations depict the amazing changes a mosquito goes through in four stages: egg, larva, pupa, and adult. Kids will enjoy reading about different species of mosquitoes and - most importantly - why they bite! Topics include mosquito bodies and senses, where mosquitoes lay their eggs, the differences between male and female mosquitoes, and the diseases mosquitoes transmit and how to avoid mosquito bites.
This fascinating book explains the patterns and cycles created on Earth by the influence of the Sun and the Moon, as well as by the Earth's magnetic poles and the planet's rotation on an axis. Informative text, vivid photographs, and detailed diagrams help explain patterns such as day and night, the four seasons, the lunar cycle, the rise and fall of tides, and weather cycles.
Readers will discover that the natural element carbon is found in all living things, including people. This fascinating book explains how the Earth's supply of carbon moves among Earth's oceans, atmosphere, ecosystem, and geosphere in a process called the carbon cycle. Accessible text and detailed images help explain such processes as photosynthesis, respiration, and decomposition. Feature boxes highlight examples of the ways in which human activity, such as burning fossil fuels, releases too much carbon dioxide into the air disrupting the balance of the carbon cycle. Readers are encouraged to find ways to take action and find solutions.
Human activities have a huge impact on the Earth. Environmental engineers apply traditional engineering practices to help improve and prevent damage from humans and the waste we create to ecosystems and our environment. Readers will learn about how environmental engineering began, and the many processes environmental engineers apply to find sustainable solutions to problems. Real-life examples help students understand key concepts related to this important profession.
This exciting book describes the geological makeup and history of the Mojave Desert in the United States. Located in the states of California, Nevada, Utah, and Arizona, there are several national parks in the desert including Death Valley, the hottest place in North America. Readers will learn about the people, plants, and animals such as cougars, scorpions, and rattlesnakes that inhabit this desert habitat. The Mojave Desert is also a windy place where wind farms have been set up to generate electricity. Special sections describe the desert's natural resources, such as borax, silver, and gold, and the unique problems facing this region.
The history of human activity in the Rocky Mountain range is as colorful as its scenic natural wonders. It has been witness to the decimation of Native peoples, the westward expansion of European settlers, the frenzied activity of several gold rushes, and the blazing of transcontinental railways. This fascinating book describes the geological makeup and history of the Rocky Mountains, as well as the cultures and ways of life of the people in the United States and Canada who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
The Ural Mountains form a natural boundary called the "Stone Belt" between Europe and Asia. Rich in mineral deposits, the Urals have long been a major source of industry for Russia. This fascinating book describes the geological makeup and history of the Ural mountain range, as well as the cultures and ways of life of the people in Russia and Kazakhstan who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
This fascinating book describes the geological makeup and history of the Atacama Desert in Chile. One of the driest areas of the world - some parts never receive any rain - the desert's climate can be cold, sometimes producing snow and fog. Readers will be fascinated to learn that the Atacama's soil is so similar to soil samples from Mars that NASA goes to this desert to test its exploration instruments. NASA has also set up its Earth-Mars Cave Detection Program in the Atacama, too. Special sections also describe the desert's natural resources and unique problems facing this region, as well as the people, plants, and animals that inhabit this desert habitat.
This amazing book describes the geological makeup and history of the Great Victoria Desert in Australia. Used in modern times for mining and testing of atomic bombs, this vast, sandy area has been home to a number of indigenous peoples for thousands of years. Although there is little rain, the blooms with a variety of plants. Readers will learn about the Mamungari Conservation Park located in the Great Victoria Desert, which is known for a eucalyptus tree called Ooldea mallee with large, spectacular red, pink, or yellow flowers. Special sections also describe the desert's natural resources, as well as the unique problems facing this region such as the introduction of non-native species of animals.
Running almost the full length of South America on its western coast, the Andes is the longest continental mountain range in the world. This remote and harsh environment saw the rise and fall of one of the great ancient civilizations of the world, the Incas. This fascinating book describes the geological makeup and history of the Andes mountain range, and how it is intertwined with the cultures and ways of life of the people in South America who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
The Great Appalachian Valley, a major land form of the Appalachian mountains, played an important role in the early history of the United States. Routes through the valley, first made by Native Americans, made the mountains passable, later allowing European immigrants to expand colonization of the region. This fascinating book describes the geological makeup and history of the mountain ranges that form the Appalachians, and the people in the United States and Canada who live in their shadows. Special sections also describe the plants and animals that thrive in these mountain habitats, as well as the unique problems facing this region.
Home of two of the world's highest peaks - Mount Everest and K2 - the Himalayas are both revered and feared by mountaineers around the world. This fascinating book describes the geological makeup and history of the Himalaya mountain range, and how it is intertwined with the cultures and ways of life of the people in South Asia who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
Re-Greening the Environment covers the wide range of careers in environmental clean-up, remediation, and renewal. The response to two massive oil spills in recent years the Exxon Valdez oil spill off the coast of Alaska in 1989 and the current Deepwater Horizon/BP oil disaster in the Gulf of Mexico are explored. The types of jobs and careers that are associated with preventing and correcting disasters such as these include environmental scientist, hydrogeologist, enforcing clean-up regulations, and monitoring and testing waterways, soil, and groundwater for harmful pollutants. Also, the reuse and rehabbing of older commercial or industrial buildings presents opportunities in planning, designing, rebuilding, reclaiming, and restoring the natural habitats associated with these sites.
Touring, Trekking, and Traveling Green explores the many careers open to people in the fast-growing field of ecotourism. From being an ecotour leader or naturalist to managing a wildlife eco-lodge, working as a travel agent certified in ecotourism, or teaching on-the-ground tour guides and college students interested in making a living helping others enjoy nature, the opportunities for people seeking work in ecotourism are manyand growing fast. Other jobs associated with ecotourism include working in public relations or marketing ecotourism destinations, writing guidebooks, and helping visitors understand and appreciate nature as an interpreter for agencies such as the U.S. National Park Service and Parks Canada. Also of note: the challenges and responsibilities that jobs in ecotourism present to people who wish to make use of the environment for fun and profit without harming the ecological health of our planet.
The way we live affects our environment. Environmental Chemistry takes a look at how chemistry-related inventions have both helped and harmed our environment. Readers will learn the science and chemistry of acid rain, ozone depletion, and water pollution. Easy experiments allow budding scientists to test theories and understand the chemistry of environments and environmental pollution.
Building Green Places takes a green look at careers in planning, designing, and building energy-efficient facilities in which to live, work, and play. It also includes the development of communities built in a way that will complement and enhance Earths ecosystems.
Environmental activists are concerned for the well being of the environment, including all people, plants, and animals. This wonderfully informative title shows how environmentalists work to preserve and improve the natural environment and how young environmentalists can become positive activists themselves. Readers will learn what actions they can take to make the world a better place to live in.
This intriguing book describes the geological makeup and history of the Gobi Desert in Mongolia and China. Temperatures can get very cold and frost and snow are not unusual. Readers will learn about the variety of habitats in this vast desert system that support many different kinds of plants and animals such as camels, snow leopards, and bears. The Gobi Desert is also where the first dinosaur egg fossils were found. Special sections describe the desert's natural resources, such as copper and gold, and the unique problems facing this region such as the desert's alarming rate of desertification.
This colorful book describes the geological makeup and history of the Kalahari Desert in Africa. Covering most of Botswana, as well as portions of Namibia and South Africa, the Kalahari is not a true desert because it receives more than ten inches (250 mm) of rain each year. But the rain drains and evaporates quickly leaving no water on the surface of the red sand. Readers will learn about the variety of habitats in this vast desert system that support many different kinds of plants and animals such as springboks, giraffes, elephants, and zebras. Special sections also describe the Kalahari's natural resources, indigenous people, and the unique problems facing this region.