Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that
A. eukaryotes evolved from bacteria
B. eukaryotes evolved from archaea
C. oxygenic photosynthesis first evolved in eukaryotes
D. cyanobacteria arose from chloroplasts which escaped from plant cells
Answer:B
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that
A. eukaryotes evolved from bacteria B. eukaryotes evolved from archaea C. oxygenic photosynthesis first evolved in eukaryotes D. cyanobacteria arose from chloroplasts which escaped from plant cells