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The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day ...
Psychology. In psychology, the term early childhood is usually defined as the time period from birth until the age of five or six years, [1] therefore covering infancy, Pre-K, kindergarten and first grade. There are three simultaneous development stages: [2] It is distinct from early childhood education, and does not necessarily refer to the ...
The definition of life has long been a challenge for scientists and philosophers. [2] [3] [4] This is partially because life is a process, not a substance. [5] [6] [7] This is complicated by a lack of knowledge of the characteristics of living entities, if any, that may have developed outside Earth.
Early childhood development. Early childhood development is the period of rapid physical, psychological and social growth and change that begins before birth and extends into early childhood. [1] While early childhood is not well defined, one source asserts that the early years begin in utero and last until 3 years of age. [1]
Biography. A biography, or simply bio, is a detailed description of a person's life. It involves more than just basic facts like education, work, relationships, and death; it portrays a person's experience of these life events. Unlike a profile or curriculum vitae ( résumé ), a biography presents a subject's life story, highlighting various ...
Zygote, at the start of an organism's life; Embryo, early in an organism's life; Foetus, early in an animal's life, occurring before birth; Larva, an early stage in many animal life forms before maturity; Child, early human life
Zendaya Maree Stoermer Coleman ( / zənˈdeɪ.ə / ⓘ zən-DAY-ə; [2] born September 1, 1996) [3] [4] is an American actress and singer. Her accolades include two Primetime Emmy Awards and a Golden Globe Award. Time named her one of the 100 most influential people in the world in 2022. Born and raised in Oakland, California, Zendaya began her ...
v. t. e. Old age is the range of ages for people nearing and surpassing life expectancy. People of old age are also referred to as: old people, elderly, elders, seniors, senior citizens, or older adults. [ 1 ] Old age is not a definite biological stage: the chronological age denoted as "old age" varies culturally and historically. [ 2 ]