Human evolution is characterized by a number of morphological, developmental, physiological, and behavioral changes that have taken place since the split between the last common ancestor of …

Jan 19, 2026 · Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands.

The meaning of HUMAN is of, relating to, or characteristic of humans. How to use human in a sentence.

Jul 9, 2024 · One of the earliest defining human traits, bipedalism -- the ability to walk on two legs -- evolved over 4 million years ago. Other important human characteristics -- such as a large and …

Apr 20, 2025 · An individual human is much more than applied labels of name, race, sex, and nationality. Each of us lives inside a massive, ongoing story we have only begun to understand.

However, human beings not only define themselves biologically and anatomically, but also in psychological, social, and spiritual terms. Psychologically, humans have a highly developed brain …

Our species, Homo sapiens, is the only human alive today. Discover the ancestors of Homo sapiens, the traits that define us and where humans come from.

It's all in your head: An investigation of human ancestry, a classroom activity for grades 9-12. Find additional lessons, activities, videos, and articles that focus on human evolution.

Human behaviour is hard to understand, so sometimes, psychologists study animals because they may be simpler and easier to know. Psychology overlaps with many other sciences, including medicine, …

Jan 16, 2026 · Homo sapiens, the species to which all modern human beings belong and the only member of the genus Homo that is not extinct. The name ‘Homo sapiens’ was applied in 1758 by the …