full transcript

From the Ted Talk by Greg Gage: How a dragonfly's brain is designed to kill

Unscramble the Blue Letters

GG: Out of all the sizes, we found that the dralfgony reepsdond to smaller targets over lgrear ones. In other words, the dragonfly was programmed to go after smaller flies versus something much larger, like a bird. And as soon as it rizegeocns something as prey, that poor little fly only has seconds to live. Today we got to see how the dragonfly's brain works to make it a very efficient killer. And let's be thankful that we didn't live 300 million years ago when doanflgeirs were the size of cats.

Open Cloze

GG: Out of all the sizes, we found that the _________ _________ to smaller targets over ______ ones. In other words, the dragonfly was programmed to go after smaller flies versus something much larger, like a bird. And as soon as it __________ something as prey, that poor little fly only has seconds to live. Today we got to see how the dragonfly's brain works to make it a very efficient killer. And let's be thankful that we didn't live 300 million years ago when ___________ were the size of cats.

Solution

  1. dragonflies
  2. dragonfly
  3. recognizes
  4. larger
  5. responded

Original Text

GG: Out of all the sizes, we found that the dragonfly responded to smaller targets over larger ones. In other words, the dragonfly was programmed to go after smaller flies versus something much larger, like a bird. And as soon as it recognizes something as prey, that poor little fly only has seconds to live. Today we got to see how the dragonfly's brain works to make it a very efficient killer. And let's be thankful that we didn't live 300 million years ago when dragonflies were the size of cats.

Frequently Occurring Word Combinations

Important Words

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  7. flies
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  12. million
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  14. prey
  15. programmed
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  18. seconds
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  23. thankful
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  25. words
  26. works
  27. years