History of the Universe eBook. 398 pages, 300 illustrations only $2.99
Perhaps it was during the Paleoproterozoic Era that revolutionary new forms of cells first appeared.
They probably started when the made a big new to trap the . It took some of the genes from the aerobe so it could never leave. The aerobe now became a , a permanent resident, unable to live outside the parent cell. The process of one organism capturing another and living together for mutual benefit is called endosymbiosis, meaning “symbiosis inside”.
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