Australopithecus is an extinct genus of hominid dating from about 4.4 to 2.5 million years ago. They were the first hominids to be able to walk upright on two legs, and are thought to be the ancestors of modern humans.The first Australopithecus was discovered in 1924 in South Africa, and since then, scientists have found hundreds of fossils of this species in Africa. Australopithecus fossils show that they were small hominins, averaging about 1.3 meters tall and weighing about 30 kilograms. They have small skulls, small brains, and faces that are quite similar to monkeys. However, Australopithecus also shared some human-like features, such as straight legs, sloping shoulders, and flexible hands.Scientists believe that Australopithecus lived in a jungle environment. They are omnivores, and their food includes fruits, vegetables, small animals, and insects. Australopithecus lived in groups, and each swarm could have 10 to 20 members.Australopithecus are hominids that were very important in human evolution. They were the first hominids to be able to walk upright on two legs, and this helped them expand their range and access more food sources. Australopithecus were also the first hominids to use tools, and this made it possible for them to survive and thrive in harsh environments.Australopithecus finally became extinct about 2.5 million years ago. The cause of their extinction is still unknown, but some scientists think it may be due to climate change, or to being hunted by other predators.Some well-known species of Australopithecus include Australopithecus afarensis, Australopithecus africanus and Australopithecus sediba.Australopithecus are hominids that were very important in human evolution. They were the first hominids to be able to walk upright, use tools, and live in groups. Australopithecus laid the foundation for the development of modern humans.