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Khan Academy


6th, 7th, 8th, 9th, 10th, 11th, 12th


Science, Biology, Earth and Space Sciences

Resource Types

  • Videos, 5 minutes, 35 seconds, CC, Subtitles
  • Interactive Media
  • Assessments

Regional Focus


Human Impacts on Ecosystems

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  • This resource from Khan Academy discusses different ways that human activities impact the environment and can disrupt entire ecosystems. 
  • Students will be introduced to five dimensions including habitat destruction, pollution, invasive species, over-exploitation, and climate change. 
  • It includes a video, transcript, key terms and concepts, and an interactive quiz.
Teaching Tips


  • It is easy to understand and is recommended for introducing any of the key concepts. 
  • The video clearly connects human activities that change the environment to changes in ecosystems that affect many species.

Additional Prerequisites

  • Students can access the video and related resources without an account, but setting up a class with a free Khan Academy account will provide the teacher with more options to track student progress. 


  • This video could be used in a Biology class to discuss different ways various species might need to adapt to their disrupted ecosystems.
  • Biology and science classes can use the acronym HIPPOC or CHIPPO to remember the different reasons species go extinct: habitat loss, invasive species, population pressures, pollution, overhunting/overfishing/overexploitation, and climate change.
  • The transcript can be printed for students who need support following along. 
  • Other resources related to this topic are Human Impacts on Earth Systems and Biodiversity and Humans.
Scientist Notes
This 6-minute video presents a simple and brief overview of human impacts on ecosystems, including deforestation, pollution, overfishing, and anthropogenic climate change. This resource does not go into great detail, but is a good introductory overview for beginners. This resource is recommended for teaching.
  • Science
    • ESS3: Earth and Human Activity
      • 6.ESS3.3 Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.
    • LS2: Ecosystems: Interactions, Energy, and Dynamics
      • HS.LS2.2 Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.
      • HS.LS2.7 Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.
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