“And if there is life on other dogs, one mouth asked the other. No is. The other ear answered. Other dogs are uninhabited and walk all around our dog. And how can there be life if you can’t jump from one dog to another? "Maybe!"— The old flea has come forward. "Our ancestors came from another dog!" - "This cannot be!"-cried the young fleas. “We have arisen from the mixture of non-living matter on the dog!” – “No non-living matter,” the old old flea replied – “the dog is also alive!” – “It’s too much!” – “the mother flea in the glasses” – “the dog can’t be alive, it’s too big!”