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Symbiosis. Symbiosis occurs when two species live together in a close long-term association. All living things have the same basic requirements:. • Food/Nutrition • Shelter/Living space • Water In a symbiotic relationship at least one of the organisms involved is meeting one

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Symbiosis

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Symbiosis l.jpg

Symbiosis

Symbiosis occurs when twospecies live together in a closelong-term association.


All living things have the same basic requirements l.jpg

All living things have the samebasic requirements:

• Food/Nutrition

• Shelter/Living space

• Water

  • In a symbiotic relationship at least one of

    the organisms involved is meeting one

    of the basic needs for living through the

    relationship.


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Symbiosis


Mutualism l.jpg

Mutualism:

• a symbiotic relationship

in which both

participating species

benefit.

• EX: Ant & Aphid

- ant gets nutrition from

the aphid’s honeydew—

a sugary secretion from

the aphid’s body.

- the aphid gets

protection from the ant

against predatory

insects like ladybugs.


Commensalism l.jpg

Commensalism

• A symbiotic relationship

in which one organism

benefits and one is

neither harmed nor

helped.

• Example: Epiphytes also

known as “air plants.”

live on the bark of trees.

- The epiphyte gets space

to live.

- The tree is not harmed

nor does it benefit in any

way.


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Parasitism

• Relationship in which

one organism feeds

on and usually lives

on or in another.

• Ex: tape worm.

The tape worm lives

inside the animals

intestines and gets

shelter and food.

The animal loses

nutrition, may lose

weight and become

ill.


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