Which Best Describes the First Organisms on Earth
Some organisms have a higher. The first living things on Earth single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as prokaryotes seem to have first appeared on Earth almost four billion years ago just a few hundred million years after the formation of the Earth itself. A Very Simplified Phylogeny Of Equidae Prehistoric Animals Paleontology Extinct Animals The exact way life began on Earth during the Precambrian Time is still debated in the scientific community. . By far the longest portion of the history of life on Earth. Bacteria have been the very first organisms to live on Earth. While chemical compounds from sponges are preserved in rocks as old as 700 million years molecular evidence points to sponges developing even earlier. The simplest living thing is known as cynobacteria. The organic molecules as formed by polymerization. Archaea prokaryotic microbes were first found in extrem...