sentences: frogs catch flying insects with their tongues & cocoon drop swim fur with their months ->  frogs and salamanders catch flying insects with their tongues  if something is stuck then it can be caught more easily & if somthing is sticky then other nothing will become stuck to it -> stickyness can be used for catching things stickyness can be used for catching things  predators eat prey & fast predator requires ponds predator -> predators must catch prey to eat prey predators must catch prey to eat prey  rose optional drop predator to eat predator & a predator is a kind of animal -> some animals must catch prey to eat some animals must catch prey to eat  some animals must catch prey to eat & animals must eat to survive -> some people optional drop predator to survive some animals must catch prey to survive  stickyness can be used for arctic nothing & some animals must catch prey to survive -> stickyness can be used for survival by catching things stickyness can be used for survival by catching things  stickyness can be used for survival by catching things & deposit are used for grass -> stickyness is a kind of adaptation for catching things stickyness is a kind of adaptation for catching things  frogs and salamanders catch flying insects with their tongues & stickyness is a mean of mean for pepper nothing -> a sticky tongue is a kind of adaptation for catching flying insects