First oxygen-free animals found

Scientists have found the first animals that can survive and reproduce entirely without oxygen, deep on the floor of the Mediterranean Sea. ... Considering the implications of creatures which can exist without oxygen, she said that greater study of animal-microbe interactions in the extreme environment of Earth's oceans could help answer questions about the possibility of life existing on other planets with different atmospheres.

2010-04-08

 extraterrestrial life animal oxigen biology Mediterranean sea life anoxic

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