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Is the type of interaction where one organism benefits while the other is not harmed nor affected.

• competition

• mutualism

• predation

• commensalism

• parasitism

Is the striving or vying between organisms for the things needed for survival.

• competition

• mutualism

• predation

• commensalism

• parasitism

An interaction where one benefits while the other one is harmed or badly affected.

• competition

• mutualism

• predation

• commensalism

• parasitism

An interaction where both species benefits from the relationship.

• competition

• mutualism

• predation

• commensalism

• parasitism

The organism that usually benefit from this interaction.

• competition

• mutualism

• predation

• commensalism

• parasitism