Question

Name one organism which can live without oxygen.
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Answer 1

Answer:

a jellyfish-like parasite doesn't have a mitochondrial genome - the first multicellular organism known to have this absence.

Answer 2

Answer:

Scientists have just discovered that a jellyfish-like parasite doesn't have a mitochondrial genome - the first multicellular organism known to have this absence. That means it doesn't breathe; in fact, it lives its life completely free of oxygen dependency.