Biology Forums - Study Force

Schoeninger interpreted the greater range of nitrogen isotope ratios in the Stillwater burial population compared to the Pecos or Ontario populations as reflecting
 
  a. greater dietary variability in the Pecos and Ontario populations than in the Stillwater population.
  b. greater dietary variability in the Stillwater population than in the Pecos and Ontario populations
  c. the fact that the Stillwater population had an increasing dependence on meat through time
  d. an individual's age or sex; in the Stillwater population, children ate less meat than adults and males ate more meat than females.
  e. the addition of pion nuts to the Stillwater diet.

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thanks!