Survivorship — Sur*viv or*ship, n. 1. The state of being a survivor. [1913 Webster] 1. (Law) The right of a joint tenant, or other person who has a joint interest in an estate, to take the whole estate upon the death of other. Blackstone. [1913 Webster] {Chance … The Collaborative International Dictionary of English
Survivorship bias — In finance, Survivorship bias is the tendency for failed companies to be excluded from performance studies because they no longer exist. It often causes the results of studies to skew higher because only companies which were successful enough to… … Wikipedia
population ecology — Introduction study of the processes that affect the distribution and abundance of animal and plant populations. A population is a subset of individuals of one species that occupies a particular geographic area and, in sexually… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea … Wikipedia
Human extinction — is the end of the human species. Various scenarios have been discussed in science, popular culture, and religion (see End time). The scope of this article is existential risks. Humans are very widespread on the Earth, and live in communities… … Wikipedia
life span — 1. the longest period over which the life of any organism or species may extend, according to the available biological knowledge concerning it. 2. the longevity of an individual. [1915 20] * * * Time between birth and death. It ranges from a… … Universalium
Extinction Crétacé-Tertiaire — Badlands près de Drumheller, Alberta, où l érosion a découvert à l air libre la limite K–T … Wikipédia en Français
Doomsday argument — World population from 10,000 BC to AD 2000 The Doomsday argument (DA) is a probabilistic argument that claims to predict the number of future members of the human species given only an estimate of the total number of humans born so far. Simply… … Wikipedia
Actuarial science — are professionals who are qualified in this field through examinations and experience. Actuarial science includes a number of interrelating subjects, including probability and statistics, finance, and economics. Historically, actuarial science… … Wikipedia