Early life may refer to:

Biology

In relation to Earthly history of life

RNA world The RNA world is a hypothetical stage in the evolutionary history of life on Earth in which self-replicating RNA molecules proliferated before the evolution of DNA and proteins. The term also refers to the hypothesis that posits the existence ...

, early in the history of terrestrial life *

Ediacaran The Ediacaran ( ) is a geological period of the Neoproterozoic geologic era, Era that spans 96 million years from the end of the Cryogenian Period at 635 Million years ago, Mya to the beginning of the Cambrian Period at 538.8 Mya. It is the last ...

period, early in the history of terrestrial life * Cambrian Explosion period, early in the history of terrestrial life

In relation to biological organisms

Zygote A zygote (; , ) is a eukaryote, eukaryotic cell (biology), cell formed by a fertilization event between two gametes. The zygote's genome is a combination of the DNA in each gamete, and contains all of the genetic information of a new individ ...

, at the start of an organism's life *

Embryo An embryo ( ) is the initial stage of development for a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization of the female egg cell by the male sp ...

, early in an organism's life *

Foetus A fetus or foetus (; : fetuses, foetuses, rarely feti or foeti) is the unborn offspring of a viviparous animal that develops from an embryo. Following the embryonic stage, the fetal stage of development takes place. Prenatal development is a ...

, early in an animal's life, occurring before birth *

Larva A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...

, an early stage in many animal life forms before maturity *

Child A child () is a human being between the stages of childbirth, birth and puberty, or between the Development of the human body, developmental period of infancy and puberty. The term may also refer to an unborn human being. In English-speaking ...

, early human life

Other uses

* ''

My Early Life ''My Early Life'', also known in the US as ''A Roving Commission: My Early Life'', is a 1930 book by Winston Churchill. It is an autobiography from his birth in 1874 to around 1902. The book closes with mention of his marriage in 1908, stating t ...

'' (book), 1930 autobiography by Winston Churchill

Biology

In relation to Earthly history of life

In relation to biological organisms

Other uses

See also