Sharks are a group of predatory fish that have been around for over 400 million years. These fascinating creatures are found in oceans around the world, and they are known for their streamlined bodies, sharp teeth, and powerful jaws. There are over 500 species of sharks, and they come in a wide range of sizes, […]
Evolution is a foundational principle within biology that forms the basis for many other theories. The theory of evolution was first described by Charles Darwin, a scientist who lived during the 19th century. Darwin’s theory proposed that all species on Earth have descended from a common ancestor and that new species arise through the process […]
The American bison is a large, shaggy-haired mammal that once roamed across North America in huge herds. Today, it is mostly found in national parks and other protected areas. The European bison is a similar animal that lives in Europe. Both species are endangered. Bison are important to native Americans, who use every part of […]
The Animal Kingdom is a vast and varied place, full of creatures of all shapes and sizes. But what exactly is an animal? Animals are heterotrophs, meaning that they cannot produce their own food and must instead rely on other sources for sustenance. This differentiates them from plants and other organisms which are able to […]
