Tardigrades before and after (IMAGE)

Penn State

Tardigrades before and after

Caption

Tardigrades, a type of microscopic animal, in can reveal information about how life interacts with simulated Martian mineral deposits. The three images on top are active tardigrades in a typical Earth environment of beach sand. The bottom four images active tardigrades after some time in the simulated Martian soils, with arrows noting some mineral interactions. 

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Provided by Corien Bakermans/Penn State

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