"I would suggest that you re-read the suggested texts . Let me restate : 1 ) All organisms produce so many offspring that their numbers would increase exponentially without constraint . Yet adult populations remain reletively constant ."
"And that 's an observation , is n't it ? Not an assumption . Calling it an assumption was the mistake . Darwin devotes a whole chapter to this ."
"I would suggest that you re-read the suggested texts . Let me restate"
"And that 's an observation , is n't it ? Not an assumption ."