Darwinian struggle.
Wright
Robert
R
D000293:Adolescent; D005075:Biological Evolution; D001695:Biology / Q000193:education*; D003479:Curriculum / Q000592:standards; D006801:Humans; D009820:Ohio; D012070:Religion and Science; D012574:Schools / Q000331:legislation & jurisprudence; D012641:Selection, Genetic