Bacteria are everywhere and have been for decades, centuries, epochs. Arguably one of the most evolved microorganisms on Earth, bacteria can be found in varying shapes and sizes, and can be identified in most habitats on the planet. Commonly thought of as causing illness and disease, these pesky little cells actually serve a multitude of purposes which make life viable. Here are 10 facts you may not know about bacteria: 1) Age Bacteria are the oldest life form on Earth, with the simplest single-celled microorganisms dating back 3.5 billion years; without them, simply the world would not be able to
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