biological mortality

См. также в других словарях:

• Biological immortality — refers to a stable rate of mortality as a function of chronological age. Some individual cells and entire organisms in some species achieve this state either throughout their existence or after living long enough. This requires that death occur… …   Wikipedia

• biological development — Introduction       the progressive changes in size, shape, and function during the life of an organism by which its genetic potentials (genotype) are translated into functioning mature systems (phenotype). Most modern philosophical outlooks would …   Universalium

• Biological warfare — For the use of biological agents by terrorists, see bioterrorism. Weapons of mass destruction …   Wikipedia

• biological reference point — a fishing mortality rate or biomass that may provide acceptable protection against growth overfishing and/or recruitment overfishing for a particular stock. It is usually calculated from equilibrium yield per recruit curves, spawning stock… …   Dictionary of ichthyology

• biological reference points — Indicators or signposts against which the status of a stock can be judged. Two types are often used: based on fishing mortality and based on the sustainability of recruitment. Reference points can be either desirable targets (target reference… …   Fisheries — dictionary

• Compensation law of mortality — The compensation law of mortality (late life mortality convergence) states that the relative differences in death rates between different populations of the same biological species decrease with age, because the higher initial death rates in… …   Wikipedia

• Standardized mortality ratio — The standardized mortality ratio or SMR in epidemiology is the ratio of observed deaths to expected deaths, where expected deaths are calculated for a typical area with the same age and gender mix by looking at the death rates for different ages… …   Wikipedia

• population — populational, adj. populationless, adj. /pop yeuh lay sheuhn/, n. 1. the total number of persons inhabiting a country, city, or any district or area. 2. the body of inhabitants of a place: The population of the city opposes the addition of… …   Universalium

• Ageing — This article is about human ageing. For other uses, see Ageing (disambiguation). A human face showing signs of ageing Ageing (British English) or aging (American English) is the accumulation of changes in a person over time.[1] Ageing in humans… …   Wikipedia

• 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

• Effects of global warming — This article is about (primarily) effects during the 21st century. For longer term effects, see Long term effects of global warming. The variou …   Wikipedia