Eli5: why can’t we exterminate fleas entirely?

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Why have we not worked to eliminate the existence of fleas? Considering they are a potent carrier of disease, and an extremely common parasite, why haven’t humans decided to pursue their total extinction? Especially with our loyalty to our domesticated pets?
Thankyou

In: Planetary Science

9 Answers

Anonymous 0 Comments

Let’s talk about extermination broadly, while setting morality aside. That creature is another creatures food source, or one of the few things that keeps another population in check. It may cause a chain reaction. We can guess, but never really know what will happen to our eco system if we just eradicate a species. You also eliminated the species, not the niche. Theres still room for a species to thrive where fleas once did. Not to mention practically speaking it really hard if at all possible(imagine getting all humans across the planet to dedicate resources towards eradicating a creature) and expensive.

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