Jan 11, 2026 · Human evolution, the process by which human beings developed on Earth from now-extinct primates. The only extant members of the human tribe, Hominini, belong to the species Homo …

Jan 11, 2026 · This may have been the time also when the distinctive morphology of the human calf muscle (triceps surae) evolved. Unlike those of great apes, it is heavily tendinous, which facilitates its …

Jan 11, 2026 · Human evolution - Emergence, Homo Sapiens, Bipedalism: The relationships among Australopithecus, K. platyops, Paranthropus, and the direct ancestors of Homo are unknown.

Jan 11, 2026 · The large muscle masses of the human lower limbs power our locomotion and enable a person to rise from squatting and sitting postures. Body mass is transferred through the pelvis, …

The process by which one type of living thing develops into another type is called evolution. Modern humans evolved in stages from a series of ancestors, including several earlier forms of humans.

Dec 5, 2025 · Instead, human evolution has been throughout its long history a matter of experimentation, with new species being constantly spawned and thrown into the ecological arena to …

Jan 9, 2026 · The genetic sequence of humans is just over 1% different from that of chimpanzees and bonobos. During Earth's sudden cooling some 70,000 years ago, the human population almost went …

Jan 11, 2026 · The first tools (hammers, anvils, and primitive cutting tools) made way for the earliest human-made chipped flake tools and core choppers (2.5–2.1 mya). Double-faced hand axes, …

Somewhere in the transition between the two, the hominid, the first humanlike species, emerges. By virtue of humanity’s nature as a toolmaker, humans have therefore been technologists from the …

Biological evolution is a process of descent with modification. Lineages of organisms change through generations; diversity arises because the lineages that descend from common ancestors diverge …