Differentiate between permanent migration and seasonal migration.

Seasonal migration is when an organism or group of organisms migrate from one place to the another like in order to protect themselves from adverse seasonal variations and return back to their place when the conditions are again suitable for their life. It is commonly found in birds.

Permanent migration is found in some fishes which are born in fresh water and migrate to marine or vic-e-versa and never go back to their native place.

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Seasonal migration is the movement of any group of living organism, including higher species order from habitat to a different location for habitat, breeding,food,employment during any change in season . 
Permanent migration is relocation of any habitat permanently by any living organism,including higher species order.



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