Sentences with phrase «multicellular life approximately»

The dinosaurs may have been the unlucky victims of what American and Mexican scientists call the biggest impact on Earth «since the development of multicellular life approximately a billion years ago».

Not exact matches

These fossils are approximately 2 billion years old and according to Emma Hammarlund they represent some very early life forms, that maybe tried to evolve into some kind of multicellular organism, but didn't succeed.
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