Keystone species | Biology homework help

 

Our focus this week is on ecology. Ecology is the study of interactions among organisms and between organisms and their physical environments. Watch the video Some Animals Are More Equal Than Others: Keystone Species and Trophic Cascades [Video], then address the following two issues:

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  • Why do you think that many keystone species are predators at the top of the food chain in their respective ecosystems?
  • What do you think is the most interesting or significant facet of the video?

 

Discussion Requirements

Your primary post must be mostly in your own words and should be at least 125 words. To some extent, the length is a gauge of how much effort you put into the post. To meet the length expectations, be sure to address the topic completely. Flesh it out with detailed explanations or examples as appropriate. 

https://www.biointeractive.org/classroom-resources/some-animals-are-more-equal-others-keystone-species-and-trophic-cascades

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