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1. SYMBIOSIS:
Interdependence of Living Organism

2. The Symbiotic Relationship Song

3. What is symbiosis?
Symbiosis (greek symbioun, “to
live together”), in biology, term for
the interdependence of different
species, which are sometimes
called symbionts.

4. There are three main types of
symbiosis, based upon the specific
relationship between the species
involved:
mutualism,
and commensalism.
parasitism,

5. Interdependence of Living
Organism
Organisms
living
together
in
an
ecosystem depend upon one another
in order to survive. They interact in a
number of ways to enable them to
acquire
food,
shelter,
support and transportation.
protection,

6. Types of Symbiosis
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•
•
•
•
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Commensalism
Mutualism
Parasitism
Cooperation
Competition
Predation

7. Commensalism
It is a relationship in which one
organism is benefited, but the
other is not harm.

9. Mutualism
It is a relationship in which both
organisms are benefited, such
they become mutually
dependent upon each other.

11. Parasitism
It is a relationship in which the
parasite is benefited ,but the host
may be harm.

13. Cooperation
It refers the beneficial interaction
of the same kind of organisms. The
organisms, however, do not become
dependent on one another.

15. Competition
It occurs when both organisms
having the same needs live in the
same area.

17. Predation
It is a relationship between
the predator and its prey. The
predator injures the prey.

19. Organism in
Symbiotic Relationship
Symbionts
Host

20. Symbionts
Are animals or plants living in
close and often mutually beneficial
association with another of a
different species.

21. Host
A human, animal, plant, or other
organism in or on which another
organism, especially a parasite,
lives.

22. Summary
Organisms living together in an
ecosystem depend upon one another
in order to survive. They interact to
each other for them to acquire their
needs. Many relationships are
symbiotic or they live together for
the benefit of one or both.