Fact 1: Cross-pollination increases genetic diversity. Fact 2: Evolution requires genetic diversity. Given the two facts above, cross-pollination increases?

Options:
(i) flowers;
(ii) Reproduction;
(iii) seeds;
(iv) gene flow;
(v) growth;
(vi) evolution;
(vii) pollen;
(viii) traits;
The answer is:
(vi)