Landforms - ANS Mexico, along with Central America, joins the continents of North America and South
America with a physical feature called a land bridge.
A land bridge is a strip of land that connects two larger landmasses, enabling migration of plants and
animals to both areas.
There are a variety of landforms in Mexico that support large communities of people.
Water Systems - ANS Northern Mexico has a dry climate with few permanent waterways.
The Lerma River is one of Mexico's most important rivers.
The Gulf of Mexico, along Mexico's east coast, is home to a wide variety of sea life.
The Gulf of California, on the western side of Mexico, supports marine life such as whales, sea turtles,
and sharks.
Climate, Biomes, and Resources - ANS Vertical climate zones occur as elevations increases.
Mexico has a variety of biomes that support various plant and animal life.
Minerals, especially silver, are important to Mexico's economy.
Mexico is a leading petroleum-producing country.
History and Government - ANS Regional distinctions from Maya, Aztec, and nomadic people developed
Mexican cultures seen today.
In 1821 Mexico became the first Spanish territory to win its independence.
The current Mexican government is a federal republic with power divided into three branches:
legislative, executive, and judicial.
Over the past few decades, drug cartels have come to control different regions of Mexico, leading to
internal warfare.