Symbiotic Relationships
Symbiotic Relationships
SYMBIOSIS refers to the relationship between organisms of
different species that show an intimate encounter with
each other.
AT LEAST one of the participating species MUST be provided
a nutritional advantage.
3 TYPES of Symbiotic Relationships:
1.
Parasitism
2.
Commensalism
3.
Mutualism
Parasitism -- Video
Interaction in which the PARASITE derives
nutrients from the HOST.
This relationship is not good for the host, but
great for the parasite.
Commensalism – video
Interaction in between two species, where one
organism benefits while the other is not harmed.
Organism benefits usually by feeding or
protection
Mutualism – video
Interaction between two species where BOTH
organisms benefit.
They exchange food and shelter, and sometimes
even protection.