alainrichert
Coccolithophores are microscopic algae that first appeared 220 million years ago, and flourished during the cretaceous period. They produce peculiar plates called cocoliths out of calcium carbonate, and incorporate them into their shells. As they die and sink to the ocean floor, they remove carbon from the atmosphere and produce chalk. This biological activity is an important regulator the global carbon cycle.
Live water mount showing asexual reproduction of green alga, (sp. Volvox) | 1984 Photomicrography Competition
Dennis D. Kunkel, University of Washington - Department of Botany - Seattle, Washington, USA Specimen: Live water mount showing asexual reproduction of green alga, (sp. Volvox) (25x) Technique: Darkfield
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