The photograph shows an organism that is theorized to have been the first to inhabit Earth. The organism is photosynthetic and single-celled or colonial. The organism depicted is a
A) pterophyte
B) spermatophyte
C) Cyanobacteria
D) viroid particle

The photograph shows an organism that is theorized to have been the first to inhabit Earth The organism is photosynthetic and singlecelled or colonial The organ class=