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Dictionary » L » Lifespan



1. The duration of life of an individual.

2. The normal or average duration of life of members of a given species.

See: longevity.

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

Effects of variation in Flicker Fusion Thresholds (vision)

... this threshold differs from species to species and seems to relate to both size and metabolic rate, which incidentally play a significant role in lifespan. http://www.economist.com/news/science-and-technology/21586532-small-creatures-fast-metabolisms-see-world-action-replay-slo-mo The article ...

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by NMLevesque
Sat Nov 23, 2013 6:47 pm
Forum: General Discussion
Topic: Effects of variation in Flicker Fusion Thresholds (vision)
Replies: 0
Views: 659

holographic origin of life

... work in an article he wrote about the genus daphnia and the differences with other mammals. A characteristic of daphnia is their relatively short lifespan and the fact that they are temperature dependent. For example, some live only 29 days at 28 °C (82 °F). Another characteristic of daphnia is ...

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by minasole
Wed Aug 28, 2013 5:15 pm
Forum: Evolution
Topic: holographic origin of life
Replies: 10
Views: 10942

Re: the harm of algae

... or cleaning products from a nearby residence. The increase of population of algae will also increase the death of them, because they have a short lifespan. And as they die, they take up oxygen in the water, which can disturb or even kill other aquatic animals or plants sharing the same habitat.

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by Rettajean
Wed May 29, 2013 6:34 am
Forum: Botany Discussion
Topic: the harm of algae
Replies: 2
Views: 3213

Evolution or De-evolution?

... should mean starting with nearly immortal and highly adaptable (=more genetically robust) organisms and ending with organism of a relatively short lifespan with highly limited ability to adapt. I am talking about humans and our evolution.

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by Cat
Tue Nov 20, 2012 2:03 am
Forum: Evolution
Topic: Evolution or De-evolution?
Replies: 52
Views: 30620

Things that cause cancer (in modern humans who live longer)

... current knowledge do not increase mutation rates in the children (by the same principles as with cancer). In any case, like you said, the average lifespan of our ancestors was typically so short that the issue of increased cancer, diabetes or heart disease risk caused by red meat in the diet was ...

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by biohazard
Wed Oct 31, 2012 11:05 am
Forum: Evolution
Topic: Things that cause cancer (in modern humans who live longer)
Replies: 4
Views: 2889
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