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HomeHomework HelpbiologyHuman Evolution Overview

Human Evolution Overview

Human evolution, or hominid evolution, refers to the gradual biological and cultural development of the Homo genus, particularly Homo sapiens, from ancestral primate species through a series of evolutionary changes in morphology, behavior, and genetics over millions of years. This process encompasses key milestones such as bipedalism, the development of tool use, and the emergence of complex social structures.

intermediate
3 hours
Biology
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Overview

Human evolution is a complex process that spans millions of years, beginning with our apelike ancestors. Through natural selection and adaptation, various hominid species emerged, each contributing to the traits we see in modern humans today. The fossil record and genetic studies provide crucial ins...

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Key Terms

Hominid
A member of the biological family Hominidae, which includes humans and their ancestors.

Example: The Australopithecus is an early hominid.

Natural Selection
The process where organisms better adapted to their environment tend to survive and produce more offspring.

Example: Natural selection led to the development of bipedalism in early hominids.

Fossil Record
The history of life as documented by fossils, which are the preserved remains of organisms.

Example: The fossil record shows the transition from ape-like ancestors to modern humans.

DNA
Deoxyribonucleic acid, the molecule that carries genetic information.

Example: DNA analysis helps trace human ancestry.

Adaptation
A trait that helps an organism survive and reproduce in its environment.

Example: The ability to walk upright is an adaptation of early hominids.

Bipedalism
The ability to walk on two legs, a key characteristic of hominids.

Example: Bipedalism allowed early humans to travel long distances.

Related Topics

Primate Evolution
Study of the evolutionary history of primates, including their adaptations and diversity.
intermediate
Human Migration Patterns
Exploration of how and why humans migrated across the globe throughout history.
intermediate
Cultural Anthropology
The study of cultural variations among humans and how culture influences behavior.
advanced

Key Concepts

HominidsNatural SelectionFossil EvidenceGenetic Variation