Understanding Symbiosis

Symbiosis

By M Dang

Learning intentions:

To examine the impact plastic pollution has on ocean symbiotic relationships

 

Success criteria:

• I can define the terms symbiotic, commensal, parasitic and mutualistic

• I can classify symbiotic relationships as commensal, parasitic or mutualistic

By M Dang

Open Ended

What is an ecosystem?

Ecosystems

An ecosystem is ''a community of living things, non-living things and

their interrelationships''.

Open Ended

What types of relationships do organisms have with each other?

ie. Are there some organisms that live near or on

each other? Or how do they interact with one other?

Crocodiles and Plover Bird

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https://www.youtube.com/watch?v=Dd6GcQrkMDM

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Example of relationship

Symbiosis

Crocodiles and the Plover Bird

• have a symbiotic, mutualistic relationship, meaning they both benefit from each other

• the Plover eats parasites and leftover food in the crocodile’s mouth.

• the bird gets food, while the crocodile gets its mouth cleaned

Symbiosis

Symbiosis is an interaction between organisms living in close physical association.

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​​Types of symbiosis:

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​Mutualism	​Commensalism	​Parasitism
​A relationship between organisms that is beneficial for both organisms	​A relationship between organisms where one organism benefits and the other is neither benefited nor harmed	​A relationship between organisms where one organism benefits and the other is harmed
​Teammates	Neighbours​	​ Thieves