"Ecology also teaches that all life on earth can be viewed as a competition among species for the solar energy captured by green plants and stored in the form of complex carbon molecules. A food chain is a system for passing those calories on to species that lack the pant's unique ability to synthesize them from sunlight."

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Food is like a torture device because hiking 47 miles a day is hard enough. And then you're trying to get down 6,000 calories a day. Every hour, I needed a snack, every few hours I had to take in a meal and it's just not food, it's fuel. You're not enjoying it - you're seriously shoving it in your mouth and following it with water, juice or Gatorade.

— Jennifer Pharr Davis