Symbiotic Relationships
Symbiotic Relationships
symbiosis
symbiosis - the relationship between two
- the relationship between two
different individual species that live together in a
different individual species that live together in a
close relationship (living together)
close relationship (living together)
The word
The word symbiosis
symbiosis can be broken down into
can be broken down into
two parts to determine its meaning
two parts to determine its meaning
sym
sym means
means together
together
bio
bio means
means life
life
3.
Types of Symbiosis
Typesof Symbiosis
There are
There are three
three
types of symbiotic
types of symbiotic
relationships
relationships
Mutualism (+, +)
Mutualism (+, +)
Commensalism (+, 0)
Commensalism (+, 0)
Parasitism (+, -)
Parasitism (+, -)
Each relationship
Each relationship
can be shown using
can be shown using
+ , - , or 0
+ , - , or 0
4.
Mutualism
Mutualism mutualism
mutualism- a
- a
relationship where
relationship where
both organisms
both organisms
benefit
benefit
A + / + relationship
A + / + relationship
Think of a normal
Think of a normal
friendship where
friendship where
both friends gain
both friends gain
something from the
something from the
friendship
friendship
The acacia galls are homes to stinging
ants and the ants defend acacia from
other insects that would harm tree
leaves.
5.
Mutualism
Mutualism
Flowers and theirPollinators
Flowers and their Pollinators
(Example: Bees and hummingbirds gather nectar and spread pollen.)
(Example: Bees and hummingbirds gather nectar and spread pollen.)
Mutualism
Mutualism
Birds and mammalseat berries and
Birds and mammals eat berries and
fruits while the plant benefits by
fruits while the plant benefits by
the dispersal of it seeds.
the dispersal of it seeds.
8.
The oxbird
gets ridof
the
parasites
on the
antelope
and allows
the oxbird
to have a
meal.
Mutualism
Mutualism
Mutualism
Mutualism
Algae and Fungi(Lichen) - Alga
Algae and Fungi (Lichen) - Alga
gets water and nutrients from
gets water and nutrients from
the fungus and the fungus gets
the fungus and the fungus gets
food from the algae.
food from the algae.
11.
Mutualism
Mutualism
Many herbivores suchas cows, sheep,
Many herbivores such as cows, sheep,
deer, horses and rabbits depend on
deer, horses and rabbits depend on
bacteria that live in their stomachs to
bacteria that live in their stomachs to
break down the plant material.
break down the plant material.
Commensalism
Commensalism
commensalism
commensalism –a
– a
relationship where one
relationship where one
species benefits while the
species benefits while the
other species remains
other species remains
unaffected
unaffected
A + / 0 relationship
A + / 0 relationship
Think of a friendship
Think of a friendship
where one of the friends
where one of the friends
benefits while the other
benefits while the other
doesn’t change
doesn’t change
Barnacles adhering to the skin of a
whale
14.
Commensalism
Commensalism
One species usesa second organism
One species uses a second organism
for housing such as small mammals
for housing such as small mammals
or birds that lives in holes in trees or
or birds that lives in holes in trees or
orchids which live in trees.
orchids which live in trees.
Orchid in rainforest Venezuela
15.
Cattle stir
up insects
asthey eat
grass and
the
egrets hang
around and
eat insects.
Commensalism
Commensalism
Parasitism
Parasitism
parasitism
parasitism –a relationship
– a relationship
where one organism
where one organism
benefits (parasite) while the
benefits (parasite) while the
species it depends on (host)
species it depends on (host)
is harmed
is harmed
host
host – an organism on
– an organism on
which a parasite lives
which a parasite lives
A + / - relationship
A + / - relationship
Think of a friendship where
Think of a friendship where
you might feel used by your
you might feel used by your
friend
friend
Parasitic isopod on fish
19.
Parasitism
Parasitism
Ticks and fleasthat live in a host
Ticks and fleas that live in a host
animal's fur bite the animal and
animal's fur bite the animal and
drink its blood are parasites.
drink its blood are parasites.