Since avocados are fruits, is guacamole a smoothie? The video explains how trees that produce fruit with no natural way to spread their seeds are still alive. It goes into detail about avocado trees and ginko biloba trees.

Concepts

evolution, food chains, extinction, ecology, interdependency

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Additional Tags

science

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Instructional Ideas

• Challenge class members to write their own Ghosts of Evolution song, like this one by the scientist who researched the topic https://www.youtube.com/watch?v=A-kYjjphxJY
• Make a list of other ghosts of evolution

Classroom Considerations

• Requires no prior knowledge, but having familiarity with one of the plants mentioned would be helpful

• This video is hosted on YouTube

Pros

• Includes closed captioning in English and Hebrew
• Provides high-quality links to Smithsonian, Yale, and others in the notes section on YouTube

Cons

• None