Expanding reefs are a springboard for life in the oceans. Some bacterioplankton and algae, floating in the upper layers of Earth's oceans, become primary producers (photosynthesizers that make their own food) for expanding life. As they did in the shallows of early Earth, these microbes evolve a myriad of independent and interacting life styles.
University of Montana--Missoula. Environmental Studies Program
© 1997 Stiftung Drittes Millennium
Digital File Format
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Liebes, Sid; Mittelstadt, Laurie; Waugh, Barbara; and Brynes, Lois, "Panel 30: Off To Sea" (1997). A Walk Through Time - From Stardust To Us. 30.