Biology, 03.12.2020 17:00, robert7248

Cyanobacteria have been aorund for 3.5 billion years or more. They can live in aggregations of cells called mats. When did cells of cyanobacteria first start showing evidence of differentiation (i. e. cells becoming different in form and function)? A.

0.5 billion

B.

1 billion

C.

2 billion

D.

3 billion

E.

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Cyanobacteria have been aorund for 3.5 billion years or more. They can live in aggregations of cells...