contestada

Fossils evidence shows that ___________________were the first photosynthetic organisms on earth,about 1.2 billion years ago.​

Respuesta :

Answer:

cyanobacteria

Explanation:
There is suggestive evidence that photosynthetic organisms were present approximately 3.2 to 3.5 billion years ago, in the form of stromatolites, layered structures similar to forms that are produced by some modern Cyanobacteria