Population Ecology Video Lessons

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Problem: Ecological interactions can be divided into categories based on whether only one of the interacting parties benefits (+/-) or both benefit (+/+) or neither benefit (-). Provide an example of each of these and explain the effects each interacting partner has on the other.

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The ecological interactions can be categorized depending on how each organism can benefit or harm one another. Some interaction includes the following: 

  • +/- interaction – The interaction when one benefits while one gets adversely affected refers to parasitism or predation. One great example of this is the human body and the tapeworm. The tapeworm harnesses the nutrients from the host body, mostly benefiting from it, while giving various illnesses to body it affects. 
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Problem Details

Ecological interactions can be divided into categories based on whether only one of the interacting parties benefits (+/-) or both benefit (+/+) or neither benefit (-). Provide an example of each of these and explain the effects each interacting partner has on the other.

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