QUESTION 9 The contribution of Alfred Russel Wallace to our understanding of evolution was that: species are immutable individuals acquire tralts that can be passed on to their offspring the mechanism of evolution is natural selection recessive alleles remain in the population at their same frequency from generation to generation unless evolution is occurring "in sexually-reproducing species, males and females both contribute genetic material to the offspring that is maintained in the offspring, even though it may be directly expressed" QUESTION 10 The contribution of Charles Darwin to...