The Diverse Creatures of the Earth
Animals are an integral part of life on Earth, contributing to the balance of ecosystems and enriching human lives in countless ways. With their incredible diversity, animals inhabit nearly every corner of the planet, from the deepest oceans to the highest mountains. This article explores the classification, roles, and fascinating traits of animals, as well as their importance to the environment and humanity. Classification of Animals Animals are classified into various groups based on their characteristics. The two broad categories are vertebrates and invertebrates: Vertebrates Animals with backbones, including: Mammals : Warm-blooded animals with fur or hair, such as lions, dolphins, and humans. Birds : Feathered creatures capable of flight, like eagles and penguins. Reptiles : Cold-blooded animals with scales, such as snakes and crocodiles. Amphibians : Creatures that live both in water and on land, like frogs and salamanders. Fish : Aquatic animals with gills, such as sharks a...