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As a fruit fly’s eye develops, structural complexity emerges.
The skin of a mouse’s ear. Stem cells are marked in green. Stem cell progeny are marked in red.
Gene expression and cell decisions guide stem cells (green) into differentiated cells (red).
Close-up of a reef in the U.S. Virgin Islands. The coral's open polyps mean that it's feeding.
A SCUBA diver collects samples on the Ram Head reef in the U.S. Virgin Islands.
Scientists dive on a U.S. Virgin Islands coral reef for samples for the microbiome project.
Interactions between a coral reef and the picoplankton in the waters above are under study.
In the field lab, molecules in the reef and in the seawater above are concentrated onto cartridges.
Scientist Laura Weber processes coral microbiome samples in a lab in the U.S. Virgin Islands.
A forest of giant kelp off the coast of Southern California.
Scientists at NSF's Santa Barbara Coastal LTER site are conducting experiments on giant kelp.
Lone giant kelp plant surrounded by California Sheephead (Semicossyphus pulcher) fish.
A dense canopy of giant kelp blades floats on the water off the coast of Southern California.
Polyethene bags with sampling ports are used to study urea use by giant kelp plants.
Biologists have found that an alternate form of nitrogen fuels the growth of giant kelp plants.