this post was submitted on 26 May 2024
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There's no inherent "advantage" so much as it's a result of the tick feeding off animals with those diseases inside them, and then passing those diseases on via its saliva to later meals like humans.
Additionally the bacteria that causes Lyme diseases may actually benefit from this relationship. The environment and nature doesn't make choices just at the benefit of humans, it's full scale every organism for themselves.
How do you think those bacteria could benefit?
Kind of hard to ~move around~ when you're that small, so it could be transport related. Plenty of bacteria and smaller organisms hitch a ride on intermediary hosts just for transport reasons, but they could also benefit in other ways tbh, life is weird and creative like that.
I like that mobility perspective, good point