The earliest proposed fossil cells come from Canadian rocks thatare about ____ years old. They contain tubes and filaments that aresimilar to those formed by cells near modern _____. The mostwidespread evidence of early life comes from fossil ____. Otherrocks include fossils that show the presence of _____ whichsuggests that they are metabolically similar to modern _____.
The earliest proposed fossil cells come from Canadian rocks that are about filaments that are similar to those formed by cells near modern comes from fossil they are metabolically similar to modern years old. They contain tubes and . The most widespread evidence of early life which suggests that . Other rocks include fossils that show the presence of
The earliest proposed fossil cells come from Canadian rocks that are about ____ years old. They contain tubes and filame
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