Ecology and Evolution of Flowering Plant Dominance

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Science  06 May 1977:
Vol. 196, Issue 4290, pp. 622-629
DOI: 10.1126/science.196.4290.622


Birds and mammals are important seed dispersers and their diversification in the Cretaceous may have created niches for many plant specialists on scattered resources. Maintaining sexual recombination through wind pollination in such sparse populations is difficult, and so angiosperms with their sophisticated systems for insect pollination were favored in many critical situations.