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.