Population interaction

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What is population interaction?
Some point about population interaction.

Point no 1>>  In any habitat an organism doesn't exist alone. All organisms exit in a network of interaction with other species.

 2>>  Every songls species needs one or more species for food which is the minimum requirement for the survival of any species .

3>> Even plants synthesizing their own food , cannot survive without interacting with individual of outher species .

4>> For example flowering plants cannot produce fruits and seeds without the help of birds and insects.

5>>  Even microorganisms present in the soil are required for the breakdown of organic matter.

    There are 5 types of population interaction and these are - predation, competition , parasitism , commensalism , matualism.
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