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TED-Ed, Kim Preshoff


3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, 12th


Science, Biology

Resource Types

  • Videos, 4 minutes, 18 seconds, CC, Subtitles
  • Articles and Websites
  • Interactive Media
  • Assessments

Regional Focus

Global, South and Central America

Why Is Biodiversity So Important?

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  • This video details why biodiversity is crucial for our survival on Earth, introducing students to ecosystem diversity, species diversity, and genetic diversity.
  • Students will learn about keystone species in the ocean, the interconnectedness of species within the Amazon rainforest, and the vulnerability of ecosystems to collapse.
Teaching Tips


  • This animated video explains the complex concept of biodiversity in an easy-to-understand way. 
  • The video has colorful images that support student understanding.

Additional Prerequisites

  • You must sign in to use the "Think" and "Discuss" interactive features on the TED-Ed site.
  • Students should have a basic understanding of the terms diversity, ecosystem, genetics, and species. 


  • In addition to science classes, this video could work in a social studies class that is learning about different parts of the world or a language arts class that is working on non-fiction reading and comprehension. 
  • While viewing, pause and ask students to explain the examples of biodiversity from the video. 
  • As an extension activity, ask groups of students to research another example of biodiversity that was not included in the video. Can they find an example from another ecosystem? 
  • Other resources related to this topic include Biodiversity and Humans, this video about coral reefs, and How Rainforests are Formed and How They are Being Destroyed.
Scientist Notes
This TED-Ed video efficiently explains the importance of biodiversity and how it prevents ecosystems from collapsing. This resource is recommended for teaching.
  • Science and Engineering
    • LS2: Ecosystems: Interactions, Energy, and Dynamics
      • 5-LS2-1 Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment.
      • MS-LS2-2 Construct an explanation that predicts patterns of interactions among organisms across multiple ecosystems.
      • MS-LS2-5 Evaluate competing design solutions for maintaining biodiversity and ecosystem services.
      • HS-LS2-6 Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.
    • LS4: Biological Evolution: Unity and Diversity
      • 3-LS4-3 Construct an argument with evidence that in a particular habitat some organisms can survive well, some survive less well, and some cannot survive at all.
      • HS-LS4-5 Evaluate the evidence supporting claims that changes in environmental conditions may result in: (1) increases in the number of individuals of some species, (2) the emergence of new species over time, and (3) the extinction of other species.
  • Related Resources


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