Evolution of new physical traits in mollusks has declined and grown more predictable over time. Early mollusks evolved a unique physical trait once every 2 million years. That frequency began declining roughly 444 million years ago to about one new feature every 9 million years.

2026年1月7日 · 周杰 · 来源：tutorial资讯

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В США объяснили согласие на поставки российской нефти в Индию20:43

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