Why do animals have such different lifespans? - Joao Pedro de Magalhaes
TED-Ed・2 minutes read
Different animals have varying lifespans due to factors like genetics, environment, and body size. Humans have increased their lifespan through managing environmental factors and nutrition.
Insights
- The lifespan of different animals varies significantly, with factors like environment, body size, and genetic differences playing crucial roles in determining longevity. For example, cold environments and larger body sizes can contribute to longer lifespans, but unique adaptations in certain species like bats and turtles can defy these general trends.
- Human lifespan, currently averaging 71 years, has been extended through managing environmental exposure and nutrition, highlighting the potential for influencing natural aging processes. This showcases the impact of human intervention on lifespan and challenges the idea of a predetermined fate based solely on genetics or environment.
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Recent questions
What factors influence animal lifespan?
Various factors like environment, body size, and genetics.
How does aging affect animals?
Aging leads to cell dysfunction, decline in bodily functions.
Which animal has the longest lifespan?
Bowhead whale can live up to 200 years.
How do humans influence their lifespan?
By managing environmental exposure and nutrition.
What role does body size play in animal lifespan?
Larger animals generally have longer lifespans.
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