And which is the weakest?

Great, you answered "Flexibility".

See here what other people have answered:

  • Endurance
  • Strength
  • Speed
  • Flexibility
23%
20%
29%
27%
Click "CONTINUE" to proceed to the next question

Interesting fact:

The air has changed - the atmosphere used to contain loads more oxygen, which is what allowed the dinosaurs to thrive. Without such an abundance of oxygen, reptiles and amphibians can no longer grow to such large sizes.

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