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Today they evolve from an other organism. The first organism's formation is still ambiguous. It most likely happened when the main functional parts of a cell, like information carrying and metabolic molecules got into a separate compartment, and the first proto-cell was formed. Such separate compartments form in water-in-oil emulsion, for example.

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15y ago
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4mo ago

Animals are believed to have evolved from single-celled organisms in the ancient seas, over 600 million years ago. These early multicellular organisms eventually diversified and evolved into the vast array of animal species we see today.

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14y ago

Organisms evolve over generations. This occurs because of mutations. When an organism mutates, it will become either useful or not. If it is, the organism will produce offspring, possibly with the same trait. After that keeps on occurring, it is a new evolution.

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13y ago

Yes,depending on it environment around it. The animal must evolve in order to survive.

YES. They have to evolve to live. They can but it takes a while. Sometimes something needs to happen like climate change or something!

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14y ago

large blobs of stuff that lived underwater. They looked like a really big cell.

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14y ago

Pretty much ALL life evolved and is still evolving.

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Q: What did animals evolve from?
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They don't.


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