The Antarctic is a region located at the southernmost part of the Earth. It is characterized by its extremely cold climate, vast ice sheets, and unique ecosystem.
Key Facts about the Antarctic
Antarctica is the fifth largest continent, and is the coldest, driest, and windiest continent on Earth.
The Antarctic Circle is a line of latitude at 66.5 degrees south that marks the northern boundary of the region.
The Antarctic Treaty, signed in 1959, designates Antarctica as a scientific preserve and prohibits military activity, mineral mining, and nuclear waste disposal.
The Southern Ocean surrounds Antarctica and is home to diverse marine life, including whales, seals, and penguins.
The climate of the Antarctic is extremely cold, with temperatures often dropping below -70°C (-94°F). The continent is covered by a thick ice sheet, which holds about 70% of the Earth's fresh water. The harsh conditions make it difficult for most plants and animals to survive, but some species have adapted to the extreme environment.
Despite the challenging conditions, Antarctica is home to a variety of wildlife. Some of the iconic animals that live in the region include penguins, seals, whales, and seabirds. These animals have unique adaptations that allow them to thrive in the cold and icy environment.
From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.
Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.