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Plants and Society, 4/e
Dr. Estelle Levetin, University of Tulsa
Karen McMahon, University of Tulsa
Diversity of Plant Life

Concept Quiz



1

In the majority of land plants, the sporophyte is the dominant stage, while the gametophyte is reduced, becoming completely dependent upon the diploid phase in the most advanced divisions.

Why has natural selection favored the dominance of the diploid sporophyte over the gametophyte?
2

The discovery of the Wollemi pine emphasizes the value of national parks in the protection of natural habitats.

What are some of the other benefits of national parks?








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