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Deserts are some of the harshest environments in the world. They can be found just about anywhere water is scarce, including in tropical rain forests and even in cold and snowy Antarctica. When most people think of deserts, they immediately think of scorching heat. However, it takes more than heat alone to create a desert. While each desert is unique, all share commonalities: they are dry, windy, arid lands with little annual rainfall.
(Source: DCMP)
Ecosystems and biomes exist around the globe in various regions. Students will explore the plant and animal life found in tropical rainforests, deserts, and oceans. Part of the Real World Science series.
Describes the characteristics of river biomes and their diverse plant and animal life. Notes effects of their passage through varied geography and climates. Human impact on rivers remains both beneficial and harmful.
Salt marshes, bogs, swamps, and freshwater marshes are examples of wetlands, each one home to wide varieties of plant and animal life. This type of biome is a complex ecosystem that benefits people and upon which humans have had destructive impact.
Steppes, pampas, savannahs, prairies--all are names for the grasslands that are found on most continents. Uses the American prairie to highlight characteristics of grasslands, different kinds of grasses, and examples of plant and animal life. Notes humans' impact on this biome.
The climate, animals, and plant life vary greatly in different parts of the world. Students explore how wildlife and the environment work together in harmony. They also learn how to identify and locate the seven major biomes found on Earth. Part of the "Way Cool Science" series.
The biosphere is a thin zone of land, air, and water that is home to all living things on earth. Discusses its features as well as characteristics of ecosystems and biomes, including biotic and abiotic components. Also covers types of terrestrial and aquatic biomes, and how ecosystems can change through a process called succession. Defines terminology, and concludes with a summary and quiz.
Investigates both saltwater and freshwater biomes. Explores how ocean temperature, salinity, and depth affect the enormous diversity of marine life. Covers the intertidal, neritic, and open ocean zones and their characteristics. Also examines estuaries and freshwater biomes such as streams, lakes, and ponds. Defines terms and concepts, and reviews content before a quiz.
Presents the relationships between climates and biomes and climates and people. Also, describes the six major climate types, and shows how weather extremes play a major role in each climate type.
This segment is all about climate and the role of water and wind. Climate is the statistics of weather over long periods of time. Other topics covered include atmosphere, oceans, and weather. Part of the "Earth Science" series.