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Q&A The Hadean Explosion?

In recent years, the search for the origins of life is becoming complex. It turns out that oxygen is NOT a requirement for multicellular life to thrive. As stated in this BBC article, poriferans ...

4 answers  ·  posted 6y ago by JohnWDailey‭  ·  last activity 5y ago by JohnWDailey‭

Question biology evolution fauna time prehistoric-times