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

The Algae

Concept Quiz



1

The algae are known to have a variety of photosynthetic pigments, while in all land plants the photosynthetic pigments are the same.

Can you speculate why a variety of photosynthetic pigments have evolved in the algae that live in an aquatic environment while this diversity is not see in the land plants?
2

Blooms by toxin-producing algae have been increasing in recent years, causing serious problems in both marine and freshwater environments.

Speculate on the evolutionary value of this toxin-producing ability.