Question

which type of bacteria photosynthesize using chlorophyll a, produced the oxygen of earths early atmosphere, and contain photosynthetic lamellae? gram - negative, rod - shaped bacteria chlamydias cyanobacteria spirochetes actinobacteria

Explanation:

Cyanobacteria are photosynthetic bacteria that use chlorophyll a for photosynthesis and played a key - role in producing Earth's early oxygen. They are gram - negative, often rod - shaped, and have photosynthetic lamellae.

Answer:

C. Cyanobacteria