Long considered by humans as a threat to livestock, wolves are hunted as pests. In particular, the gray wolf has been hunted almost to extinction in parts of North America. But these keystone predators help keep an ecosystem in balance. This book details reintroduction programs that have helped populations recover—yet they still occupy only 10 percent of their historic range.
Humpback whales are a true ecological success story. Readers will be enthralled by the story of these masters of the deep, listed as endangered in 1970. Protected by an international ban on hunting all whales in 1982, the humpback recovered so well it was no longer listed as endangered in most of the world by 2016.
The American alligator, which escaped extinction 65 million years ago, was nearly wiped out in the marshes and swamps of Louisiana and Florida in the last century. Today, they are thriving. This exciting book tells the story of how government protection, habitat preservation, and a campaign to reduce the demand for alligator products helped bring back these fierce-looking predators.
With over 1700 species, more than one-third of all mammals are rodents. From the jumping jerboa to the humungous capybara, What is a Rodent? gnaws through rodent myths to expose the facts about this often misunderstood group. Readers of all ages will be fascinated by the rodent family tree, a rodent's body and amazing teeth, homes underground and in watery habitats, millions of mice and rats, many rodent cousins from squirrels to prairie dogs, their prickly quills, webbed feet, and fabulous fur, and pet care tips.
This engaging title introduces readers to the plant parts that are not often seenroots and bulbs. Readers will discover the functions of these plant parts and how new plants can form from bulbs and roots.
From a stalk of corn to a pine tree, every plant is made of plant cells. What material is in these cells? How do they hold together? How do growers use their knowledge of cell growth to create new plants? What's next in plant science? You can see the hidden secrets of cell life in the fascinating photos, diagrams, and text inside.
Antarctica is one of the most desolate and fascinating continents on Earth! In Explore Antarctica, kids are taken on a journey through this continents chilly geography, exploring its mountains, peninsula, seas, and mile-thick layer of ice. Kids will be thrilled to learn about why Antarctica receives six months each of sunlight and darkness every year, the beautiful animals that live in Antarctica, the ground-breaking Antarctic Treaty, and the amazing findings of researchers studying this little-known continent.
All people are part of a global community that has a responsibility to care for planet Earth. This important title introduces environmental stewardship to young readers. Relatable examples show readers how to care for the environment in their own communities, and how even small changes can help address issues in the global community.
Follow along as a researcher observes and makes journal entries about their field trip across the Great Barrier Reef ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit this diverse reef in Australia. Simple graphs show how much the reef has changed, and the final report describes efforts being made to preserve it.
Follow along as a fictional researcher observes and makes journal entries about their field trip through the Serengeti ecosystem in Africa. Outstanding photographs highlight the animals, plants, and people that inhabit this diverse habitat where the world's largest land mammal migration takes place. Simple graphs show facts about the land, and the final report describes efforts being made to preserve the area.
This beautiful book gives readers core information about freshwater biomes in rivers, lakes, wetlands, and estuaries. Find out where each kind is found, how animals and plants have adapted to life in and around water, who lives near these waterways, and how humans impact life there.
Follow along as a researcher observes and makes journal entries about their field trip through the Rocky Mountains ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the mountains that stretch down along the west coasts of Canada and the United States. Simple graphs show how much the mountain range has changed, and the final report describes efforts being made to preserve it.
Follow along as a fictional researcher observes and makes journal entries about their field trip through the Galapagos Islands ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit this unique group of islands. Simple graphs show facts about the islands, and the final report describes efforts being made to preserve them.
Follow along as a fictional researcher observes and makes journal entries about their field trip through Chile's Atacama desert ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the stony desert. Simple graphs show facts about the desert, and the final report describes efforts being made to preserve it.
Follow along as a fictional researcher observes and makes journal entries about their field trip through North America's Great Lakes ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the world's largest group of freshwater lakes. Simple graphs show facts about the lakes, and the final report describes efforts being made to preserve them.
This engaging book gives readers core information about grassland biomes on prairies, steppes, pampas, and savannahs. Find out where each kind is found, how animals and plants have adapted to life on open grassland, who lives in these environments, and how humans impact life there.
Follow along as a fictional researcher observes and makes journal entries about their field trip down the Mississippi River ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit one of the world's major river systems. Simple graphs show facts about the river, and the final report describes efforts being made to preserve it.
Follow along as a researcher observes and makes journal entries about their field trip through the Amazon rain forest ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit the world's largest tropical rain forest stretching across eight countries in South America. Simple graphs show how much the rain forest has changed, and the final report describes efforts being made to preserve it.
This fascinating book gives readers core information about marine biomes on coasts, in coral reefs, frozen oceans, and in the deepest depths of the ocean. Find out where each kind is found, how animals and plants have adapted to life underwater, who lives in these environments, and how humans impact life there.
Follow along as a fictional researcher observes and makes journal entries about their field trip through the Shunan Bamboo Forest ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit China's oldest bamboo forest. Simple graphs show facts about the forest, and the final report describes efforts being made to preserve it.
Follow along as a researcher observes and makes journal entries about their field trip through the Sonoran Desert ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit this hot desert that straddles the United States and Mexico. Simple graphs show how much the desert has changed, and the final report describes efforts being made to preserve it.
This engaging book gives readers core information about alpine and arctic tundra biomes. Find out where each kind is found, how animals and plants have adapted to life in these mostly bare environments, who lives in these places, and how humans impact life there.
Follow along as a researcher observes and makes journal entries about their field trip through the everglades ecosystem in Florida. Outstanding photographs highlight the animals and plants that inhabit this unique wetland area. Simple graphs show how much the everglades have changed, and the final report describes efforts being made to preserve it.
This beautiful book gives readers core information about subtropical, polar, coastal, and rain shadow desert biomes. Find out where each kind is found, how animals and plants have adapted to lack of rain, who lives in these deserts, and how humans impact life there.
This gorgeous book gives readers core information about forests in the taiga, tropical and temperate rainforests, and deciduous forest biomes. Find out where each kind is found, how animals and plants have adapted to life among the trees, who lives in these forests, and how humans impact life there.
