Two of these food chains have the same producer and top predator. They can be joined together into a food web. JavaScript is required to view this activity.

James Wong looks at how the food chain is adapting to the pandemic. Some images of the Covid-19 pandemic will last generations – deserted city streets, football games played in empty stadia or ...

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Narrator: With more than 42,000 restaurants in over 100 countries, Subway has the most locations of any fast-food chain on the planet. And at first, that sounds like a sign of a thriving sub giant.