Why in so many cases does it seem like the larger an animal is, the older is average lifespan is? Some bugs can live for days or weeks, but humans and sea turtles can be over 100 years old?

Question

Why in so many cases does it seem like the larger an animal is, the older is average lifespan is? Some bugs can live for days or weeks, but humans and sea turtles can be over 100 years old?

In: Biology

Answer 1

Check out the book Scale by Geoffrey West. There is actually correlation between an animals size and the metabolic rate that leads to animals like hummingbirds and blue whales having roughly the same number of heartbeats over the course of their lifetimes.

Here’s a summary:
https://link.medium.com/gbEjB14peib