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septuagenarian, octogenarian (a person 70–79 years old, 80–89 years old) centipede, millipede (subgroups of arthropods with around 100 feet, or around 1 000 feet) In many European languages there are two principal systems, taken from Latin and Greek, each with several subsystems; in addition, Sanskrit occupies a marginal position.
The maximum human lifespan is suggested to be 115 years. [49] [50] The oldest reliably recorded human was Jeanne Calment, who died in 1997 at 122. Dementia becomes more common with age. [51] About 3% of people between the ages of 65 and 74, 19% of those between 75 and 84, and nearly half of those over 85 years old have dementia. [52]
Human taxonomy is the classification of the human species (systematic name Homo sapiens, Latin: "wise man") within zoological taxonomy. The systematic genus , Homo , is designed to include both anatomically modern humans and extinct varieties of archaic humans .
Generally the mark of a gerontocracy is the presence of a substantial number of septuagenarian or octogenarian leaders—those younger than this are too young for the label to be appropriate, while those older than this have generally been too few in number to dominate the leadership.
Examples of life history traits include; age and size at first reproduction, number of size and offsprings produced, and the period of reproductive lifespan. Organisms put energy into growth, reproduction, and maintenance by following a particular pattern which changes throughout their lifetime due to the trade-offs that exist between the ...
Adult development encompasses the changes that occur in biological and psychological domains of human life from the end of adolescence until the end of one's life. Changes occur at the cellular level and are partially explained by biological theories of adult development and aging. [1]
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
The Ages of Man are the historical stages of human existence according to Greek mythology and its subsequent Roman interpretation. Both Hesiod and Ovid offered accounts of the successive ages of humanity, which tend to progress from an original, long-gone age in which humans enjoyed a nearly divine existence to the current age of the writer, in ...