Question

the first in photosynthesis​

Answer 1

Answer:

Timeline of Photosynthesis on Earth

4.6 billion years ago- Earth forms

3.4 billion years ago- First photosynthetic bacteria appear

2.7 billion years ago- Cyanobacteria become the first oxygen producers

2.4 – 2.3 billion years ago- Earliest evidence (from rocks) that oxygen was in the atmospheric

1.2 billion years ago- Red and brown algae become structurally more   complex than bacteria

0.75 billion years ago-   Green algae outperform red and brown algae in                   the strong light of shallow water

0.475 billion years ago- First land plants – mosses and liverworts

0.423 billion years ago- Vascular plants evolve