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_Rollins_ t1_j7styg3 wrote

Reply to comment by jclua001 in New species identified, from 3D models of prehistoric penguins’ humongous humerus, may be the largest penguin ever to have lived. ~350-pound ‘Kumimanu fordycei’ weighed as much as an adult gorilla; waded the waters off New Zealand about 60 million years ago by marketrent

I think it was actually an abundance of carbon dioxide?

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autoantinatalist t1_j7tdvyl wrote

Carbon dioxide is plants. They used to be more huge too

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OfLittleToNoValue t1_j7u2a1n wrote

The first trees would grow 100m straight up without branches. The earth was actually covered by fallen trees for millions of years before the bacteria that break them down evolved.

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DeepSpaceNebulae t1_j7ulxl8 wrote

The Carboniferous period, names after the massive coal (carbon) deposits we discovered all around the world from those trees

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