Parasitism is the act of using or eating other organisms to survive. Some parasites are able to live off of other organisms without them being able to survive on their own.
The parasite lives off of the blood of its host.
The parasite lives off of the energy that the host produces.
noun
the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
1
In humans, the parasites damage the cells of the intestinal wall.
2
The relationships between these two insects may be parasitism.
3
Species in the order consist of intestinal parasites of elasmobranch fishes.
4
The parasite is not transmissible to humans.
5
Parasitism is the interaction of these two properties.
6
Eventually, the parasites infect the cows.
7
The exterior of the parasite is called the cuticle.
8
The incidence of brood parasitism is uncertain.
9
The parasitosis and the parasite are not the same thing.
10
This protozoan is another parasite of the monarch.