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North America is a continent [b] in the Northern and Western Hemispheres. [c] North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the west and south by the Pacific Ocean.
Há 1 dia · North America occupies the northern portion of the landmass generally referred to as the New World, the Western Hemisphere, or simply the Americas. Mainland North America is shaped roughly like a triangle, with its base in the north and its apex in the south; associated with the continent is Greenland, the largest island in the world ...
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Within these regions are all the major types of biomes in the world. A biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. Some diverse biomes represented in North America include desert, grassland, tundra, and coral reefs.
The Rocky Mountains are part of a system of parallel mountain ranges known as the Cordilleras. A cordillera is a long series of mountain ranges. Although cordilleras exist all over the world, in North America, the Cordilleras indicate the massive mountain ranges in the western part of the continent. The Cordilleras extend from Canada all the way to...
The Sierra Madre mountain system is part of the Cordilleras. The Sierra Madre stretch from the southwestern United States to Honduras. The Sierra Madre include many high volcanoes (up to 5,636 meters, or 18,500 feet) that stretch across Mexico south of the cities of Guadalajara and Mexico City. Volcanic mountain ranges in Guatemala, Honduras, Nicar...
The temperate rain forest supports a wide variety of life. The Sitka spruce, western red cedar, and Douglas fir are trees native to North Americas temperate rain forest. Some of these trees grow to more than 90 meters (300 feet) tall and 3 meters (10 feet) in diameter. Black bears, Roosevelt elk, and marmots are indigenous animal species. The grass...
The three major desert regions of North Americathe Sonoran, Mojave, and Chihuahuanare all in the American southwest and northern Mexico. These large deserts are located in the rain shadows of nearby mountains. The mountains block precipitation and accelerate the movement of hot, dry wind over these regions. The Sonoran is in the rain shadow of the ...
The Great Plains lie in the middle of the continent. Deep, rich soil blankets large areas of the plains in Canada and the United States. Grain grown in this region, called the Breadbasket of North America, feeds a large part of the world. The Great Plains are also home to rich deposits of oil and natural gas. Much of the fertile soil was formed fro...
The tundra, stretching along the northern borders of Alaska and Canada to the Hudson Bay area, is a biome common to the Canadian Shield. Tundra is where low temperatures and precipitation levels hinder tree growth. The tundra is characterized by permafrostsoil that is frozen for two or more years. This permafrost keeps moisture near the soils surfa...
The Everglades is a biologically diverse region and contains several bordering ecosystems. Sawgrass marshes are the most iconic plant community of the Everglades and thrive on the slow-moving water of the wetlands. Alligators nest in the sawgrass, while wading birds such as egrets, herons, spoonbills, and ibises make their breeding grounds in other...
The Caribbean Region includes more than 7,000 islands, islets, reefs, and cays. The regions islands and smaller islets are varied in their topography; some have relatively flat and sandy terrain while others are rugged, mountainous, and volcanic.
Learn about the five physical regions of North America, from the mountainous west to the Caribbean. Explore the diverse biomes, climates, and natural resources of the continent.
North America is a continent in the northern and western hemispheres. It’s the third-largest continent in the world (after Asia and Africa) and measures over 24.7 million km² (9.5 million square miles). There are 23 countries in North America, the largest of which are the United States and Canada.
North America is the third largest continent, and is also a portion of the third largest supercontinent if North and South America are combined into the Americas and Africa, Europe, and Asia are considered to be part of one supercontinent called Afro-Eurasia.
The Editors of Encyclopaedia Britannica. Below is the article summary. For the full article, see North America . North America, Continent, Western Hemisphere. The third-largest continent on earth, it lies mostly between the Arctic Circle and the Tropic of Cancer.
North America is a large continent in the Northern and Western Hemispheres of Earth. It is to the east of the Pacific Ocean, the west of the Atlantic Ocean, the south of the Arctic Ocean, and it is the northern part of the Americas. The southernmost part is Central America. It is the third largest continent in the world after Asia and Africa.
