Abundant acritarch fossils, some giant-sized by microstandards, are thought to be fossil cysts or other life stages of algae. Although we cannot discern exactly "who" they are, they speak to us of life's diversity over millions of years.
Categories are maps, but maps are not the territory. In the game "20 Questions," the basic categories of animal, vegetable and mineral underestimate the richness of life forms. Similarly, basic categories such as "small," "large," "single-celled" and "multicellular" can confuse us.
University of Montana--Missoula. Environmental Studies Program
© 1997 Stiftung Drittes Millennium
Digital File Format
Digital Image Number
Liebes, Sid; Mittelstadt, Laurie; Waugh, Barbara; and Brynes, Lois, "Panel 46: Category Questions" (1997). A Walk Through Time - From Stardust To Us. 46.