Scientists work to ensure the existence of life forms that gave rise to other life on Earth. Now the secret that has long kept it terungkap.Pada Earth three billion years ago, the sea turned into a global mega-organism before finally giving birth ancestor of all living things that exist today. Single organism is called Luca and now it can be tracked organisms in all domains of life, including plants, animals and fungi.
According to latest research results, Luca is a 'mega-organism' exceptional that fills the ocean on Earth before finally into three parts, namely bacteria, archea and eukaryotes, and spawned ancestor of all living things today.
But knowledge of what happened before the organism is still very little separation. According to Gustavo Caetano-Anollés from the University of Illionois say, the initial cell share genes and proteins to survive.
"At that time, more importantly keep the system alive rather than compete with other systems," he said as quoted by DM .
Free exchange and the lack of competition makes the oceans into 'mega-single organism' which eventually evolved to be able to produce what he needs himself.
When that happens, the Earth is changed forever and all living things that exist today were born.
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