Maximum Life Span of Organisms

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  • Maximum life span of organisms
  • Approximate life spans of some organisms

Notes

Maximum life span of organisms:

  1. Life Span: The length of time a species may exist in the best of conditions is referred to as its life span. The dog, for example, can live in captivity for 20 years, whereas the tortoise can live for over 150 years.
  2. Life Expectancy: Life expectancy is the estimated number of years that a person born within a certain time period might fairly be expected to live. In other words, it is the average number of years a person born in a certain country would live if death rates at each age remained constant in the future. Life expectancy is a hypothetical number calculated for humans based on mortality statistics retrieved from insurance businesses, that were born in the same period and are likely to live, and is affected by the varying death rate over time. 
  3. Average life span: The average life span, which is a statistical theory derived from the examination of mortality data for each species population, provides a more indicative evaluation. 
  4. Maximum life span: The greatest life span is merely a theoretical figure; the precise amount cannot be determined based on current knowledge. It is frequently presented as a ballpark estimate based on the longest-lived entity of that species known to date.

Notes

Approximate life spans of some organisms: 

The table below shows the life span of different species - 

Entity Life span (Maximum)
Elephant 60-75 years
Rose 5-7 years
Dog 25 years
Butterfly  1-2 weeks 
Crow 15 years 
Banana Trees 20-25 years 
Cow  20-25 years 
Parrot 140 years
Crocodile 60 years 
Horse   25-30 years 
Fruit Fly  25-30 days 
Rice Plant  3-4 months 
Tortoise  100-150 years
Banyan Tree  200–500 years 
House rat   3.5 years 
Lion  30 years
Tiger  25 years 
Chimpanzee   45-60 years
Giant Salamander 50-55 years
Humans 60-100 years
Hummingbird  8 years
Squirrel 16 years 
Guinea pig 8 years
Monkey   26 years
Rabbit   13 years 
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