Where one organism takes advantages from living alongside another organism to the detriment of the host.

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Can you find malaria parasites in saliva?

Can you find plasmodium parasites (malaria) in saliva under microscope from someone who's infected? Or it's only in the blood?
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Question about *Cryptosporidium hominis*

Cryptosporidium muris infects mostly rodents and it is usually found in gastric gladns. Cryptosporidium parvum infects humans and certain animals and it is found in the terminal ileum and colon. ...
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Question about microaerophilic parasite tolerance for oxygen

Does anyone know what is the maximal concentration of oxygen that can be tolerated by the parasite Giardia intestinalis?
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Why is the mosquito a definitive host in malaria?

I thought that the definition of a definitive host was that the parasite had to sexually reproduce in that particular host. I've been told that mosquitoes are the definitive host for the plasmodium ...
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What's the use of RNA editing in kinetoplast?

The genes of the mitochondrion (kinetoplast) of some Kinetoplastida - e.g. Trypanosoma brucei, the parasite which causes African sleeping sickness - are "encoded" in a way that the pre mRNA requiries ...
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113 views

What kind of mushroom(?) is this?

I found groups of these growing in the Lassen National Forest (Susanville, CA, USA). It looks like some sort of mushroom. I have Googled extensively, but can't seem to find a match.
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Can Naegleria fowleri enter through the eyes ( example rinsing/splashing eyes with water)

I understand that it primarily enters the body through the nose by by "feeding on the olfactory neurons in the nose" as answered here in a different question. Would the nerve cells in the eyes present ...
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Can Naegleria fowleri enter through wounds into the bloodstream?

All the sources I've read said that Naegleria fowleri enters the brain through the nose. But lets say that someone had cuts on their arm or leg and they are swimming in water that is conducive to ...
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Is Batesian Mimicry a form a parasitism? To what extent is the species with real defenses harmed by the defenceless species?

It seems like Müllerian mimicry would be an example of mutualism because both species would end up being eaten less by predators that only have to learn one pattern of warning symbols. But to what ...