EARTH-DWELLER is a term used to describe a HUMAN, which is a species of mammal that inhabits the planet Earth. Humans are characterized by their bipedal locomotion, manual dexterity, and large brains, which enable them to make tools and use language. They are also known for their capacity for abstract reasoning, problem solving, and creativity. Humans have been around for at least 200, 000 years and have spread across the globe, adapting to different climates and environments.