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Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
The wildcat Felis silvestris is a close relative and possible ancestor of the domestic cat.
Close-up of the underside of a gecko's foot as it walks on vertical glass
From high cotransduction frequencies, close linkage is inferred
Siblings report on what life events triggered changes in their relationships with each other, how ...
Valves in veins open to permit blood flow, close to prevent backflow.