Parasitism is an existing relationship between an organism called the parasite and the host. the parasites derives all thes nutrients, shelter, food, protection while the host suffer.
Explanation:
Organism that forms this type of relationship include Plasmodium species, Wuchereria bancrofti, Brugia melayi to mention a few. Most parasites are aided by one vector or the other ranging from anopheles, culex, aedes mosquitoes to mention a few.
In evolutionary biology, parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life.
